US10886772B2 - Charging system and charging method for terminal, and power adapter - Google Patents

Charging system and charging method for terminal, and power adapter Download PDF

Info

Publication number
US10886772B2
US10886772B2 US15/543,222 US201615543222A US10886772B2 US 10886772 B2 US10886772 B2 US 10886772B2 US 201615543222 A US201615543222 A US 201615543222A US 10886772 B2 US10886772 B2 US 10886772B2
Authority
US
United States
Prior art keywords
voltage
charging
terminal
power adapter
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US15/543,222
Other languages
English (en)
Other versions
US20180331561A1 (en
Inventor
Jialiang Zhang
Shebiao Chen
Jun Zhang
Chen Tian
Shiming WAN
Jiada LI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57114734&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US10886772(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. reassignment GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, Shebiao, LI, Jiada, TIAN, Chen, WAN, Shiming, ZHANG, JIALIANG, ZHANG, JUN
Publication of US20180331561A1 publication Critical patent/US20180331561A1/en
Application granted granted Critical
Publication of US10886772B2 publication Critical patent/US10886772B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H02J7/045—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851—Testing of integrated circuits [IC]
    • G01R31/2855—Environmental, reliability or burn-in testing
    • G01R31/2872—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation
    • G01R31/2874—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation related to temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
    • H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
    • H01F27/425—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for voltage transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
    • H02H3/202—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage for DC systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/00036—
    • H02J7/00043—
    • H02J7/0013—
    • H02J7/0027—
    • H02J7/0029—
    • H02J7/0042—
    • H02J7/0044—
    • H02J7/0045—
    • H02J7/007—
    • H02J7/0071—
    • H02J7/00711—
    • H02J7/00712—
    • H02J7/00714—
    • H02J7/007192—
    • H02J7/0072—
    • H02J7/008—
    • H02J7/0091—
    • H02J7/022—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/042—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
    • H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/16—Regulation of the charging current or voltage by variation of field
    • H02J7/24—Regulation of the charging current or voltage by variation of field using discharge tubes or semiconductor devices
    • H02J7/2434—Regulation of the charging current or voltage by variation of field using discharge tubes or semiconductor devices with pulse modulation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/44—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data between battery management systems and power sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/443—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data using passive battery identification means, e.g. resistors or capacitors
    • H02J7/448—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data using passive battery identification means, e.g. resistors or capacitors using switches, contacts or markings, e.g. optical, magnetic or barcode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H02J7/663—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/731—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/751—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/92—Regulation of charging or discharging current or voltage with prioritisation of loads or sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/927—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/933—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/975—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33515—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with digital control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/3353—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33538—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only of the forward type
    • H02M3/33546—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only of the forward type with automatic control of the output voltage or current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
    • H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33592—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F2027/408—Association with diode or rectifier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
    • H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H02J7/00034—
    • H02J7/0049—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • H02J7/42—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data with electronic devices having internal batteries, e.g. mobile phones
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82—Control of state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
    • H02J7/82—Control of state of charge [SOC]
    • H02J7/825—Detection of fully charged condition
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/94—Regulation of charging or discharging current or voltage in response to battery current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0009—Devices or circuits for detecting current in a converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M2001/0009—
    • H02M2001/0048—
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
    • H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
    • H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
    • H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present disclosure generally relates to a terminal technical field, and more particularly, to a charging system, a charging method, and a power adapter.
  • mobile terminals such as smart phones are favored by more and more consumers.
  • the mobile terminal consumes large power energy, and needs to be charged frequently.
  • the mobile terminal is charged by a power adapter.
  • the power adapter generally includes a primary rectifier circuit, a primary filter circuit, a transformer, a secondary rectifier circuit, a secondary filter circuit and a control circuit, such that the power adapter converts the input alternating current of 220V into a stable and low voltage direct current (for example, 5V) suitable for requirements of the mobile terminal, and provides the direct current to a power management device and a battery of the mobile terminal, thereby realizing charging the mobile terminal.
  • a stable and low voltage direct current for example, 5V
  • Embodiments of a first aspect of the present disclosure provide a charging system.
  • the charging system includes a battery; a first rectifier, configured to rectify an input alternating current and output a first voltage with a first ripple waveform; a switch unit, configured to modulate the first voltage according to a control signal and output a modulated first voltage; a transformer, configured to output a second voltage with a second ripple waveform according to the modulated first voltage; a second rectifier, configured to rectify the second voltage to output a third voltage with a third ripple waveform, in which the third voltage with a third ripple waveform is configured to be introduced into a terminal to charge the battery; a sampling unit, configured to sample and hold a peak voltage of the third voltage to obtain a voltage sampling value; and a control unit, coupled to the sampling unit and the switch unit respectively, and configured to output the control signal to the switch unit, and to change an output of the second rectifier by adjusting a duty ratio of the control signal according to the voltage sampling value, such that the third voltage keeps
  • Embodiments of a second aspect of the present disclosure provide a power adapter.
  • the power adapter includes: a first rectifier, configured to rectify an input alternating current and output a first voltage with a first ripple waveform; a switch unit, configured to modulate the first voltage according to a control signal and output a modulated first voltage; a transformer, configured to output a second voltage with a second ripple waveform according to the modulated first voltage; a second rectifier, configured to rectify the second voltage to output a third voltage with a third ripple waveform, in which the third voltage is configured to be introduced into a terminal to charge a battery in the terminal when the power adapter is coupled to the terminal; a sampling unit, configured to sample and hold a peak voltage of the third voltage to obtain a voltage sampling value; a control unit, coupled to the sampling unit and the switch unit respectively, and configured to output the control signal to the switch unit, and to change an output of the second rectifier by adjusting a duty ratio of the control signal according to the voltage sampling value, such that
  • Embodiments of a third aspect of the present disclosure provide a charging method.
  • the method includes: when a power adapter is coupled to a terminal, performing a first rectification on a first alternating current to output a first voltage with a first ripple waveform; modulating the first voltage by controlling a switch unit, and outputting a second voltage with a second ripple waveform by a conversion of a transformer; performing a second rectification on the second voltage to output a third voltage with a third ripple waveform, and applying the third voltage to a battery of the terminal; sampling and holding a peak voltage of the third voltage to obtain a voltage sampling value; and adjusting a duty ratio of a control signal for controlling the switch unit according to the voltage sampling value, such that the third voltage keeps synchronous with the modulated first voltage and the third voltage meets a charging requirement.
  • FIG. 1A is a schematic diagram illustrating a charging system using a flyback switching power supply according to an embodiment of the present disclosure.
  • FIG. 1B is a schematic diagram illustrating a charging system using a forward switching power supply according to an embodiment of the present disclosure.
  • FIG. 1C is a schematic diagram illustrating a charging system using a push-pull switching power supply according to an embodiment of the present disclosure.
  • FIG. 1D is a schematic diagram illustrating a charging system using a half-bridge switching power supply according to an embodiment of the present disclosure.
  • FIG. 1E is a schematic diagram illustrating a charging system using a full-bridge switching power supply according to an embodiment of the present disclosure.
  • FIG. 2 is a block diagram of a charging system according to embodiments of the present disclosure.
  • FIG. 3 is a schematic diagram illustrating a waveform of a charging voltage outputted to a battery from a power adapter according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram illustrating a waveform of a charging current outputted to a battery from a power adapter according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram illustrating a control signal outputted to a switch unit according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram illustrating a second charging process according to an embodiment of the present disclosure.
  • FIG. 7A is a schematic diagram illustrating a charging system according to an embodiment of the present disclosure.
  • FIG. 7B is a schematic diagram illustrating a power adapter with a LC filter circuit according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram illustrating a charging system according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram illustrating a charging system according to yet another embodiment of the present disclosure.
  • FIG. 10 is a schematic diagram illustrating a charging system according to still another embodiment of the present disclosure.
  • FIG. 11 is a block diagram of a sampling unit according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic diagram illustrating a charging system according to still yet another embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram illustrating a terminal according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram illustrating a terminal according to another embodiment of the present disclosure.
  • FIG. 15 is a flow chart of a charging method according to embodiments of the present disclosure.
  • the inventors find that, during a charging to a battery of a mobile terminal by a power adapter, with the increasing of power of the power adapter, it is easy to cause an increase in polarization resistance of the battery and temperature of the battery, thus reducing a service life of the battery, and affecting a reliability and a safety of the battery.
  • the power adapter charges the mobile terminal via the power adapter, the alternating current such as the alternating current of 220 V provided by the alternating current power source is converted into stable direct current, and the stable direct current is provided to the mobile terminal.
  • the power adapter charges the battery in the mobile terminal so as to supply power to the mobile terminal indirectly, and the continuity of power supply can be guaranteed by the battery, such that it is unnecessary for the power adapter to output stable and continue direct current when charging the battery.
  • a first objective of the present disclosure is to provide a charging system, which enables a voltage with a ripple waveform outputted by a power adapter to be applied to a battery of the terminal directly, thus realizing a miniaturization and low cost of the power adapter, and prolonging a service life of the battery.
  • a second objective of the present disclosure is to provide a power adapter.
  • a third objective of the present disclosure is to provide a charging method.
  • the charging system may include a battery 202 , a first rectifier 101 , a switch unit 102 , a transformer 103 , a second rectifier 104 , a sampling unit 106 , and a control unit 107 .
  • the first rectifier 101 is configured to rectify an input alternating current and output a first voltage with a first ripple waveform.
  • the switch unit 102 is configured to modulate the first voltage according to a control signal and output a modulated first voltage.
  • the transformer 103 is configured to output a second voltage with a second ripple waveform according to the modulated first voltage.
  • the second rectifier 104 is configured to rectify the second voltage to output a third voltage with a third ripple waveform, in which the third voltage with a third ripple waveform is configured to be introduced into a terminal to charge the battery.
  • the sampling unit 106 is configured to sample and hold a peak voltage of the third voltage to obtain a voltage sampling value.
  • the control unit 107 is coupled to the sampling unit 106 and the switch unit 102 respectively.
  • the control unit 107 is configured to output the control signal to the switch unit 102 , and to change an output of the second rectifier 104 by adjusting a duty ratio of the control signal according to the voltage sampling value, such that the third voltage keeps synchronous with the modulated first voltage and the third voltage meets a charging requirement of the battery 202 .
  • part or all structure (hardware and software) of the adapter can be integrated into the terminal.
  • Integrated structure of the adapter and the terminal can be called as the charging system of the present disclosure, or called as a terminal.
  • the charging system provided in embodiments of the present disclosure includes a power adapter 1 and a terminal 2 .
  • the battery 202 is a component of the battery 2 .
  • the first rectifier 101 , the switch unit 102 , the transformer 103 , the second rectifier 104 , the sampling unit 106 , and the control unit 107 are disposed in the power adapter.
  • the power adapter 1 includes the first rectifier 101 , the switch unit 102 , the transformer 103 , the second rectifier 104 , the sampling unit 106 and the control unit 107 .
  • the first rectifier 101 is configured to rectify an input alternating current (mains supply, for example AC 220 V) to output a first voltage with a first ripple waveform, for example a voltage with a steamed bun waveform.
  • the first rectifier 101 may be a full-bridge rectifier circuit formed of four diodes.
  • the switch unit 102 is configured to modulate the first voltage with the first ripple waveform according to a control signal to output a modulated first voltage.
  • the switch unit 102 may be formed of MOS transistors.
  • a PWM (Pulse Width Modulation) control is performed on the MOS transistors to perform a chopping modulation on the voltage with the steamed bun waveform.
  • the transformer 103 is configured to output a second voltage with a second ripple waveform according to the modulated first voltage.
  • the second rectifier 104 is configured to rectify the second voltage to output a third voltage with a third ripple waveform.
  • the sampling unit 106 is configured to sample and hold a peak voltage of the third voltage to obtain a voltage sampling value.
  • the control unit 107 is coupled to the sampling unit 106 and the switch unit 102 respectively, and configured to output the control signal to the switch unit 102 , and to adjust a duty ratio of the control signal according to the voltage sampling value, such that the third voltage keeps synchronous with the modulated first voltage and the third voltage outputted by the second rectifier 104 meets a charging requirement.
  • the second rectifier 104 may be formed of diodes or MOS transistors, and can realize a secondary synchronous rectification, such that the third ripple waveform keeps synchronous with a waveform of the modulated first voltage.
  • either the sampling, holding and synchronization performed by the sampling unit 106 to the third voltage or the synchronous rectification performed by the second rectifier 104 to the second voltage causes that, the third voltage keeping synchronous with the modulated first voltage.
  • the third voltage keeping synchronous with the modulated first voltage means that, a phase of the third ripple waveform is consistent with that of the waveform of the modulated first voltage, and a variation trend of magnitude of the third ripple waveform is consistent with that of the waveform of the modulated first voltage.
  • the power adapter further includes a first charging interface 105 .
  • the first charging interface 105 is coupled to the second rectifier 104 .
  • the first charging interface 105 is configured to apply the third voltage to the battery in the terminal via a second charging interface of the terminal when the first charging interface 105 is coupled to the second charging interface, in which the second charging interface is coupled to the battery.
  • the terminal 2 includes a battery 202 .
  • the third voltage is configured to be introduced into the terminal 2 to charge the battery 202 in the terminal 2 when the power adapter 1 is coupled to the terminal 2 .
  • the terminal 2 includes a second charging interface 201 and a battery 202 .
  • the second charging interface 201 is coupled to the battery 202 .
  • the second charging interface 201 is configured to apply the third voltage with the third ripple waveform to the battery 202 , so as to charge the battery 202 .
  • control unit 107 is coupled to the first charging interface 105 .
  • the control unit 107 is configured to communicate with the terminal via the first charging interface 105 so as to obtain status information of the terminal and to adjust the duty ratio of the control signal according to the voltage sampling value and the status information of the terminal.
  • the power adapter 1 may employ a flyback switching power supply.
  • the transformer 103 includes a primary winding and a secondary winding. An end of the primary winding is coupled to a first output end of the first rectifier 101 . A second output end of the first rectifier 101 is grounded. Another end of the primary winding is coupled to the switch unit 102 (for example, if the switch unit 102 is a MOS transistor, the other end of the primary winding is coupled to a drain of the MOS transistor).
  • the transformer 103 is configured to output a second voltage with a second ripple waveform according to the modulated first voltage.
  • the transformer 103 is a high-frequency transformer of which a working frequency ranges from 50 KHz to 2 MHz.
  • the high-frequency transformer is configured to couple the modulated first voltage to the secondary side so as to output via the secondary winding.
  • a characteristic of a small size compared to the low-frequency transformer also known as an industrial frequency transformer, mainly used in the frequency of mains supply such as alternating current of 50 Hz or 60 Hz
  • the power adapter 1 may also adopt a forward switching power supply.
  • the transformer 103 includes a first winding, a second winding and a third winding.
  • a dotted terminal of the first winding is coupled to a second output end of the first rectifier 101 via a backward diode.
  • a non-dotted terminal of the first winding is coupled to a dotted terminal of the second winding and then coupled to a first output end of the first rectifier 101 .
  • a non-dotted terminal of the second winding is coupled to the switch unit 102 .
  • the third winding is coupled to the second rectifier 104 .
  • the backward diode is configured to realize reverse peak clipping.
  • An induced potential generated by the first winding may perform amplitude limiting on a reverse potential via the backward diode and return limited energy to an output of the first rectifier 101 , so as to charge the output of the first rectifier 101 .
  • a magnetic field generated by current flowing through the first winding may demagnetize a core of the transformer, so as to return magnetic field intensity in the core of the transformer to an initial state.
  • the transformer 103 is configured to output the second voltage with the second ripple waveform according to the modulated first voltage.
  • the above-mentioned power adapter 1 may adopt a push-pull switching power supply.
  • the transformer includes a first winding, a second winding, a third winding and a fourth winding.
  • a dotted terminal of the first winding is coupled to the switch unit 102 .
  • a non-dotted terminal of the first winding is coupled to a dotted terminal of the second winding and then coupled to the first output end of the first rectifier 101 .
  • a non-dotted terminal of the second winding is coupled to the switch unit 102 .
  • a non-dotted terminal of the third winding is coupled to a dotted terminal of the fourth winding.
  • the transformer is configured to output the second voltage with the second ripple waveform according to the modulated first voltage.
  • the switch unit 102 includes a first MOS transistor Q 1 and a second MOS transistor Q 2 .
  • the transformer 103 includes a first winding, a second winding, a third winding and a fourth winding.
  • a dotted terminal of the first winding is coupled to a drain of the first MOS transistor Q 1 in the switch unit 102 .
  • a non-dotted terminal of the first winding is coupled to a dotted terminal of the second winding.
  • a node between the non-dotted terminal of the first winding and the dotted terminal of the second winding is coupled to the first output end of the first rectifier 101 .
  • a non-dotted terminal of the second winding is coupled to a drain of the second MOS transistor Q 2 in the switch unit 102 .
  • a source of the first MOS transistor Q 1 is coupled to a source of the second MOS transistor Q 2 and then coupled to the second output end of the first rectifier 101 .
  • a dotted terminal of the third winding is coupled to a first input end of the second rectifier 104 .
  • a non-dotted terminal of the third winding is coupled to a dotted terminal of the fourth winding.
  • a node between the non-dotted terminal of the third winding and the dotted terminal of the fourth winding is grounded.
  • a non-dotted terminal of the fourth winding is coupled to a second input end of the second rectifier 104 .
  • the first input end of the second rectifier 104 is coupled to the dotted terminal of the third winding, and the second input end of the second rectifier 104 is coupled to the non-dotted terminal of the fourth winding.
  • the second rectifier 104 is configured to rectify the second voltage with the second ripple waveform and to output the third voltage with the third ripple waveform.
  • the second rectifier 104 may include two diodes. An anode of one diode is coupled to the dotted terminal of the third winding. An anode of another diode is coupled to a non-dotted terminal of the fourth winding. A cathode of one diode is coupled to that of the other diode.
  • the above-mentioned power adapter 1 may also adopt a half-bridge switching power supply.
  • the switch unit 102 includes a first MOS transistor Q 1 , a second MOS transistor Q 2 , a first capacitor C 1 and a second capacitor C 2 .
  • the first capacitor C 1 and the second capacitor C 2 are coupled in series, and then coupled in parallel to the output ends of the first rectifier 101 .
  • the first MOS transistor Q 1 and the second MOS transistor Q 2 are coupled in series, and then coupled in parallel to the output ends of the first rectifier 101 .
  • the transformer 103 includes a first winding, a second winding and a third winding.
  • a dotted terminal of the first winding is coupled to a node between the first capacitor C 1 and the second capacitor C 2 coupled in series.
  • a non-dotted terminal of the first winding is coupled to a node between the first MOS transistor Q 1 and the second MOS transistor Q 2 coupled in series.
  • a dotted terminal of the second winding is coupled to the first input end of the second rectifier 104 .
  • a non-dotted terminal of the second winding is coupled to a dotted terminal of the third winding, and then grounded.
  • a non-dotted terminal of the third winding is coupled to the second input end of the second rectifier 104 .
  • the transformer 103 is configured to output the second voltage with the second ripple waveform according to the modulated first voltage.
  • the above-mentioned power adapter 1 may also adopt a full-bridge switching power supply.
  • the switch unit 102 includes a first MOS transistor Q 1 , a second MOS transistor Q 2 , a third MOS transistor Q 3 and a fourth MOS transistor Q 4 .
  • the third MOS transistor Q 3 and the fourth MOS transistor Q 4 are coupled in series and then coupled in parallel to the output ends of the first rectifier 101 .
  • the first MOS transistor Q 1 and the second MOS transistor Q 2 are coupled in series and then coupled in parallel to the output ends of the first rectifier 101 .
  • the transformer 103 includes a first winding, a second winding and a third winding.
  • a dotted terminal of the first winding is coupled to a node between the third MOS transistor Q 3 and the fourth MOS transistor Q 4 coupled in series.
  • a non-dotted terminal of the first winding is coupled to a node between the first MOS transistor Q 1 and the second MOS transistor Q 2 coupled in series.
  • a dotted terminal of the second winding is coupled to the first input end of the second rectifier 104 .
  • a non-dotted terminal of the second winding is coupled to a dotted terminal of the third winding, and then grounded.
  • a non-dotted terminal of the third winding is coupled to the second input end of the second rectifier 104 .
  • the transformer 103 is configured to output the second voltage with the second ripple waveform according to the modulated first voltage.
  • the above-mentioned power adapter 1 may adopt any one of the flyback switching power supply, the forward switching power supply, the push-pull switching power supply, the half-bridge switching power supply and the full-bridge switching power supply to output the voltage with the ripple waveform.
  • the second rectifier 104 is coupled to the secondary winding of the transformer 103 .
  • the second rectifier 104 is configured to rectify the second voltage to output the third voltage with the third ripple waveform.
  • the second rectifier 104 may be formed of diodes, and can realize a secondary synchronous rectification, such that the third ripple waveform keeps synchronous with a waveform of the modulated first voltage.
  • the third ripple waveform keeping synchronous with the waveform of the modulated first voltage means that, a phase of the third ripple waveform is consistent with that of the waveform of the modulated first voltage, and a variation trend of magnitude of the third ripple waveform is consistent with that of the waveform of the modulated first voltage.
  • the first charging interface 105 is coupled to the second rectifier 104 .
  • the sampling unit 106 is configured to sample current and/or voltage outputted by the second rectifier 104 to obtain a current sampling value and/or a voltage sampling value.
  • the control unit 107 is coupled to the sampling unit 106 and the switch unit 102 respectively, and configured to output the control signal to the switch unit 102 , and to adjust the duty ratio of the control signal according to the current sampling value and/or the voltage sampling value, such that the third voltage outputted by the second rectifier 104 meets the charging requirement.
  • the terminal 2 includes a second charging interface 201 and a battery 202 .
  • the second charging interface 201 is coupled to the battery 202 .
  • the second charging interface 201 is configured to apply the third voltage with the third ripple waveform to the battery 202 , so as to charge the battery 202 .
  • the third voltage with the third ripple waveform meeting the charging requirement means that, the third voltage and current with the third ripple waveform need to meet the charging voltage and charging current when the battery is charged.
  • the control unit 107 is configured to adjust the duty ratio of the control signal (such as a PWM signal) according to the sampled voltage and/or current outputted by the power adapter, so as to adjust the output of the second rectifier 104 in real time and realize a closed-loop adjusting control, such that the third voltage with the third ripple waveform meets the charging requirement of the terminal 2 , thus ensuring the stable and safe charging of the battery 202 .
  • a waveform of a charging voltage outputted to a battery 202 is illustrated in FIG.
  • FIG. 3 A waveform of a charging current outputted to a battery 202 is illustrated in FIG. 4 , in which the waveform of the charging current is adjusted according to the duty ratio of the PWM signal.
  • an adjusting instruction may be generated according to the voltage sampling value, or according to the current sampling value, or according to the voltage sampling value and the current sampling value.
  • a PWM chopping modulation is directly performed on the first voltage with the first ripple waveform i.e. the steamed bun waveform after a rectification, and then a modulated voltage is sent to the high-frequency transformer and is coupled from the primary side to the secondary side via the high-frequency transformer, and then is changed back to the voltage/current with the steamed bun waveform after a synchronous rectification.
  • the voltage/current with the steamed bun waveform is directly transmitted to the battery so as to realize second charging (which is described as the second charging in the following) to the battery.
  • the magnitude of the voltage with the steamed bun waveform may be adjusted according to the duty ratio of the PWM signal, such that the output of the power adapter may meet the charging requirement of the battery. It can be seen from that, the power adapter according to embodiments of the present disclosure, without providing electrolytic condensers at the primary side and the secondary side, may directly charge the battery via the voltage with the steamed bun waveform, such that a size of the power adapter may be reduced, thus realizing miniaturization of the power adapter, and decreasing cost greatly.
  • control unit 107 may be an MCU (micro controller unit), which means that the control unit 107 may be a microprocessor integrated with a switch driving control function, a synchronous rectification function, a voltage and current adjusting control function.
  • MCU micro controller unit
  • control unit 107 is further configured to adjust a frequency of the control signal according to the voltage sampling value and/or the current sampling value. That is, the control unit 107 is further configured to control to output the PWM signal to the switch unit 102 for a continuous time period, and then to stop outputting for a predetermined time period and then to restart to output the PWM signal.
  • the voltage applied to the battery is intermittent, thus realizing the intermittent charging of the battery, which avoids a safety hazard caused by heating phenomenon occurring when the battery is charged continuously and improves the reliability and safety of the charging to the battery.
  • the power adapter by adjusting the frequency of the control signal, the power adapter outputs intermittently, which means that a battery resting process is introduced into the charging process, such that the lithium precipitation due to the polarization during the continuous charging is reduced and continuous accumulation of generated heat may be avoided to realize drop in the temperature, thus ensuring the safety and reliability of charging to the battery.
  • the control signal outputted to the switch unit 102 is illustrated in FIG. 5 , for example. Firstly, the PWM signal is outputted for a continuous time period, then output of the PWM signal is stopped for a certain time period, and then the PWM signal is outputted for a continuous time period again. In this way, the control signal output to the switch unit 102 is intermittent, and the frequency is adjustable.
  • the control unit 107 is coupled to the first charging interface 105 .
  • the control unit 107 is further configured to obtain status information of the terminal 2 by performing a communication with the terminal 2 via the first charging interface 105 .
  • the control unit 107 is further configured to adjust the duty ratio of the control signal (such as the PWM signal) according to the status information of the terminal, the voltage sampling value and/or the current sampling value.
  • the status information of the terminal includes an electric quantity of the battery, a temperature of the battery, a voltage of the battery, interface information of the terminal and information on a path impedance of the terminal.
  • the first charging interface 105 includes a power wire and a data wire.
  • the power wire is configured to charge the battery.
  • the data wire is configured to communicate with the terminal.
  • communication query instructions may be transmitted by the power adapter 1 and the terminal 2 to each other.
  • a communication connection can be established between the power adapter 1 and the terminal 2 after receiving a corresponding reply instruction.
  • the control unit 107 may obtain the status information of the terminal 2 , so as to negotiated with the terminal 2 about a charging mode and charging parameters (such as the charging current, the charging voltage) and to control the charging process.
  • the charging mode supported by the power adapter and/or the terminal may include a first charging mode and a second charging mode.
  • a charging speed of the second charging mode is faster than that of the first charging mode.
  • a charging current of the second charging mode is greater than that of the first charging mode.
  • the first charging mode may be understood as a charging mode in which a rated output voltage is 5V and a rated output current is less than or equal to 2.5 A.
  • D+ and D ⁇ in the data wire of an output port of the power adapter may be short-circuited.
  • the power adapter may realize data exchange by communicating with the terminal via D+ and D ⁇ in the data wire, i.e., second charging instructions may be sent by the power adapter and the terminal to each other.
  • the power adapter sends a second charging query instruction to the terminal.
  • the power adapter After receiving a second charging reply instruction from the terminal, the power adapter obtains the status information of the terminal and starts the second charging mode according to the second charging reply instruction.
  • the charging current in the second charging mode may be greater than 2.5 A, for example, may be 4.5 A or more.
  • the first charging mode is not limited in embodiments of the present disclosure.
  • the charging mode with a slower charging speed may be regarded as the first charging mode.
  • the charging power in the second charging mode may be greater than or equal to 15 W.
  • the first charging mode is a normal charging mode and the second charging mode is a fast charging mode.
  • the power adapter Under the normal charging mode, the power adapter outputs a relatively small current (typically less than 2.5 A) or charges the battery in the mobile terminal with a relatively small power (typically less than 15 W). While, under the fast charge mode, the power adapter outputs a relatively large current (typically greater than 2.5 A, such as 4.5 A, 5 A or higher) or charges the battery in the mobile terminal with a relatively large power (typically greater than or equal to 15 W), compared to the normal charging mode. In the normal charging mode, it may take several hours to fully fill a larger capacity battery (such as a battery with 3000 mAh), while in the fast charging mode, the period of time may be significantly shortened when the larger capacity battery is fully filled, and the charging is faster.
  • the control unit 107 communicates with the terminal 2 via the first charging interface 105 to determine the charging mode.
  • the charging mode includes the second charging mode and the first charging mode.
  • the power adapter is coupled to the terminal via a universal serial bus (USB) interface.
  • the USB interface may be a general USB interface, or a micro USB interface.
  • a data wire in the USB interface is configured as the data wire in the first charging interface, and configured for a bidirectional communication between the power adapter and the terminal.
  • the data wire may be D+ and/or D ⁇ wire in the USB interface.
  • the bidirectional communication may refer to an information interaction performed between the power adapter and the terminal.
  • the power adapter performs the bidirectional communication with the terminal via the data wire in the USB interface, so as to determine to charge the terminal in the second charging mode.
  • the power adapter may only keep a coupling with the terminal but does not charge the terminal, or charges the terminal in the first charging mode or charges the terminal with small current, which is not limited herein.
  • the power adapter adjusts a charging current to a charging current corresponding to the second charging mode, and charges the terminal. After determining to charge the terminal in the second charging mode, the power adapter may directly adjust the charging current to the charging current corresponding to the second charging mode or may negotiate with the terminal about the charging current of the second charging mode. For example, the charging current corresponding to the second charging mode may be determined according to a current electric quantity of the battery of the terminal.
  • the power adapter does not increase the output current blindly for fast charging, but needs to perform the bidirectional communication with the terminal so as to negotiate whether to adopt the second charging mode.
  • the safety of second charging is improved.
  • control unit 107 when the control unit 107 performs the bidirectional communication with the terminal via the first charging interface so as to determine to charge the terminal in the second charging mode, the control unit 107 is configured to send a first instruction to the terminal and to receive a first reply instruction from the terminal.
  • the first instruction is configured to query the terminal whether to start the second charging mode.
  • the first reply instruction is configured to indicate that the terminal agrees to start the second charging mode.
  • the power adapter before the control unit sends the first instruction to the terminal, the power adapter is configured to charge the terminal in the first charging mode.
  • the control unit is configured to send the first instruction to the terminal when determining that a charging duration of the first charging mode is greater than a predetermined threshold.
  • the power adapter when the power adapter determines that the charging duration of the first charging mode is greater than the predetermined threshold, the power adapter may determine that the terminal has identified it as a power adapter, such that the second charging query communication may start.
  • the power adapter is configured to send the first instruction to the terminal.
  • control unit is further configured to control the power adapter to adjust a charging current to a charging current corresponding to the second charging mode by controlling the switch unit.
  • control unit is configured to perform the bidirectional communication with the terminal via the data wire of the first charging interface to determine a charging voltage corresponding to the second charging mode, and to control the power adapter to adjust a charging voltage to the charging voltage corresponding to the second charging mode.
  • the control unit when the control unit performs the bidirectional communication with the terminal via the data wire of the first charging interface to determine the charging voltage corresponding to the second charging mode, the control unit is configured to send a second instruction to the terminal, to receive a second reply instruction sent from the terminal, and to determine the charging voltage corresponding to the second charging mode according to the second reply instruction.
  • the second instruction is configured to query whether a current output voltage of the power adapter is suitable for being used as the charging voltage corresponding to the second charging mode.
  • the second reply instruction is configured to indicate that the current output voltage of the power adapter is suitable, high or low.
  • control unit before controlling the power adapter to adjust the charging current to the charging current corresponding to the second charging mode, is further configured to perform the bidirectional communication with the terminal via the data wire of the first charging interface to determine the charging current corresponding to the second charging mode.
  • the control unit when performing the bidirectional communication with the terminal via the data wire of the first charging interface to determine the charging current corresponding to the second charging mode, is configured to send a third instruction to the terminal, to receive a third reply instruction sent from the terminal and to determine the charging current corresponding to the second charging mode according to the third reply instruction.
  • the third terminal is configured to query a maximum charging current supported by the terminal.
  • the third reply instruction is configured to indicate the maximum charging current supported by the terminal.
  • the power adapter may determine the above maximum charging current as the charging current corresponding to the second charging mode, or may set the charging current as a charging current less than the maximum charging current.
  • control unit is further configured to perform the bidirectional communication with the terminal via the data wire of the first charging interface, so as to continuously adjust a charging current outputted to the battery from the power adapter by controlling the switch unit.
  • the power adapter may query the status information of the terminal continuously, for example, query the voltage of the battery of the terminal, the electric quantity of the battery, etc. so as to adjust continuously the charging current outputted by the power adapter to the battery.
  • the control unit when the control unit performs the bidirectional communication with the terminal via the data wire of the first charging interface to continuously adjust the charging current outputted to the battery from the power adapter by controlling the switch unit, the control unit is configured to send a fourth instruction to the terminal, to receive a fourth reply instruction sent by the terminal, and to adjust the charging current outputted by the power adapter to the battery by controlling the switch unit according to the current voltage of the battery.
  • the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal.
  • control unit is configured to adjust the charging current outputted to the battery from the power adapter to a charging current value corresponding to the current voltage of the battery by controlling the switch unit according to the current voltage of the battery and a predetermined correspondence between battery voltage values and charging current values.
  • the power adapter may store the correspondence between battery voltage values and charging current values in advance.
  • the power adapter may also perform the bidirectional communication with the terminal via the data wire of the first charging interface to obtain from the terminal the correspondence between battery voltage values and charging current values stored in the terminal.
  • control unit is further configured to determine whether there is a poor contact between the first charging interface and the second charging interface by performing the bidirectional communication with the terminal via the data wire of the first charging interface.
  • control unit is configured to control the power adapter to quit the second charging mode.
  • the control unit before determining whether there is the poor contact between the first charging interface and the second charging interface, is further configured to receive information indicating a path impedance of the terminal from the terminal.
  • the control unit is configured to send a fourth instruction to the terminal.
  • the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the control unit is configured to receive a fourth reply instruction sent by the terminal.
  • the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal.
  • the control unit is configured to determine a path impedance from the power adapter to the battery according to an output voltage of the power adapter and the current voltage of the battery and determines whether there is the poor contact between the first charging interface and the second charging interface according to the path impedance from the power adapter to the battery, the path impedance of the terminal, and a path impedance of a charging wire between the power adapter and the terminal.
  • the terminal may record the path impedance thereof in advance. For example, since the terminals in a same type have a same structure, the path impedance of the terminals in the same type is set to a same value when configuring factory settings. Similarly, the power adapter may record the path impedance of the charging wire in advance. When the power adapter obtains the voltage cross two ends of the battery of the terminal, the path impedance of the whole path can be determined according to the voltage drop cross two ends of the battery and current of the path.
  • control unit before the power adapter quits the second charging mode, the control unit is further configured to send a fifth instruction to the terminal.
  • the fifth instruction is configured to indicate that there is the poor contact between the first charging interface and the second charging interface.
  • the power adapter may quit the second charging mode or reset.
  • the second charging process according to embodiments of the present disclosure is described from the perspective of the power adapter, and then the second charging process according to embodiments of the present disclosure will be described from the perspective of the terminal in the following.
  • the interaction between the power adapter and the terminal, relative characteristics, functions described at the terminal side correspond to descriptions at the power adapter side, thus repetitive description will be omitted for simplification.
  • the terminal 2 further includes a charging control switch 203 and a controller 204 .
  • the charging control switch 203 such as a switch circuit formed of an electronic switch element, is coupled between the second charging interface 201 and the battery 202 , and is configured to switch on or off a charging process of the battery 202 under a control of the controller 204 . In this way, the charging process of the battery 202 can be controlled at the terminal side, thus ensuring the safety and reliability of charging to battery 202 .
  • the terminal 2 further includes a communication unit 205 .
  • the communication unit 205 is configured to establish a bidirectional communication between the controller 204 and the control unit 107 via the second charging interface 201 and the first charging interface 105 .
  • the terminal 2 and the power adapter 1 can perform the bidirectional communication via the data wire in the USB interface.
  • the terminal 2 supports the first charging mode and the second charging mode. The charging current of the second charging mode is greater than that of the first charging mode.
  • the communication unit 205 is configured to perform the bidirectional communication with the control unit 107 such that the power adapter 1 determines to charge the terminal 2 in the second charging mode, and the control unit 107 controls the power adapter 1 to output according to the charging current corresponding to the second charging mode, for charging the battery 202 in the terminal 2 .
  • the power adapter 1 does not increase the output current blindly for the fast charging, but needs to perform the bidirectional communication with the terminal 2 to negotiate whether to adopt the second charging mode. In contrast to the related art, the safety of the second charging process is improved.
  • the controller is configured to receive the first instruction sent by the control unit via the communication unit.
  • the first instruction is configured to query the terminal whether to start the second charging mode.
  • the controller is configured to send a first reply instruction to the control unit via the communication unit.
  • the first reply instruction is configured to indicate that the terminal agrees to start the second charging mode.
  • the battery in the terminal is charged by the power adapter in the first charging mode.
  • the control unit determines that a charging duration of the first charging mode is greater than a predetermined threshold, the control unit sends the first instruction to the communication unit in the terminal, and the controller receives the first instruction sent by the control unit via the communication unit.
  • the controller before the power adapter outputs according to the charging current corresponding to the second charging mode for charging the battery in the terminal, the controller is configured to perform the bidirectional communication with the control unit via the communication unit, such that the power adapter determines the charging voltage corresponding to the second charging mode.
  • the controller is configured to receive a second instruction sent by the control unit, and to send a second reply instruction to the control unit.
  • the second instruction is configured to query whether a current output voltage of the power adapter is suitable for being used as the charging voltage corresponding to the second charging mode.
  • the second reply instruction is configured to indicate that the current output voltage of the power adapter is suitable, high or low.
  • the controller is configured to perform the bidirectional communication with the control unit, such that the power adapter determines the charging current corresponding to the second charging mode.
  • the controller is configured to receive a third instruction sent by the control unit, in which the third instruction is configured to query a maximum charging current supported by the terminal.
  • the controller is configured to send a third reply instruction to the control unit, in which the third reply instruction is configured to indicate the maximum charging current supported by the terminal, such that the power adapter determines the charging current corresponding to the second charging mode according to the maximum charging current.
  • the controller is configured to perform the bidirectional communication with the control unit, such that the power adapter continuously adjusts a charging current outputted to the battery.
  • the controller is configured to receive a fourth instruction sent by the control unit, in which the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the controller is configured to send a fourth reply instruction to the control unit, in which the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal, such that the power adapter continuously adjusts the charging current outputted to the battery according to the current voltage of the battery.
  • the controller is configured to perform the bidirectional communication with the control unit via the communication unit, such that the power adapter determines whether there is a poor contact between the first charging interface and the second charging interface.
  • the controller receives a fourth instruction sent by the control unit.
  • the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the controller sends a fourth reply instruction to the control unit, in which the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal, such that the control unit determines whether there is the poor contact between the first charging interface and the second charging interface according to an output voltage of the power adapter and the current voltage of the battery.
  • the controller is configured to receive a fifth instruction sent by the control unit.
  • the fifth instruction is configured to indicate that there is the poor contact between the first charging interface and the second charging interface.
  • the power adapter may perform a second charging communication procedure with the terminal, for example, by one or more handshakes, so as to realize the second charging of battery.
  • FIG. 6 the second charging communication procedure according to embodiments of the present disclosure and respective stages in the second charging process will be described in detail. Communication actions or operations illustrated in FIG. 6 are merely exemplary. Other operations or various modifications of respective operations in FIG. 6 can be implemented in embodiments of the present disclosure. In addition, respective stages in FIG. 6 may be executed in an order different from that illustrated in FIG. 6 , and it is unnecessary to execute all the operations illustrated in FIG. 6 .
  • a curve in FIG. 6 represents a variation trend of a peak value or a mean value of the charging current, rather than a curve of actual charging current.
  • the second charging process may include the following five stages.
  • the terminal may detect a type of the power supply providing device via the data wire D+ and D ⁇ .
  • the terminal may absorb current greater than a predetermined current threshold I 2 , such as 1 A.
  • I 2 a predetermined current threshold
  • the power adapter detects that current outputted by the power adapter is greater than or equal to I 2 within a predetermined time period (such as a continuous time period T 1 )
  • the power adapter determines that the terminal has completed the recognition of the type of the power supply providing device.
  • the power adapter initiates a handshake communication between the power adapter and the terminal, and sends an instruction 1 (corresponding to the above-mentioned first instruction) to query the terminal whether to start the second charging mode (or flash charging).
  • the power adapter When receiving a reply instruction indicating that the terminal disagrees to start the second charging mode from the terminal, the power adapter detects the output current of the power adapter again. When the output current of the power adapter is still greater than or equal to I 2 within a predetermined continuous time period (such as a continuous time period T 1 ), the power adapter initiates a request again to query the terminal whether to start the second charging model. The above actions in stage 1 are repeated, until the terminal replies that it agrees to start the second charging mode or the output current of the power adapter is no longer greater than or equal to I 2 .
  • a predetermined continuous time period such as a continuous time period T 1
  • the power adapter sends an instruction 2 (corresponding to the above-mentioned second instruction) to the terminal to query the terminal whether the output voltage of the power adapter matches to the current voltage of the battery (or whether the output voltage of the power adapter is suitable, i.e., suitable for the charging voltage in the second charging mode), i.e., whether the output voltage of the power adapter meets the charging requirement.
  • the terminal replies that the output voltage of the power adapter is higher, lower or suitable.
  • the control unit adjusts the output voltage of the power adapter by one level by adjusting the duty ratio of the PWM signal, and sends the instruction 2 to the terminal again to query the terminal whether the output voltage of the power adapter matches.
  • stage 2 The above actions in stage 2 are repeated, until the terminal replies to the power adapter that the output voltage of the power adapter is at a matching level. And then the second charging communication procedure goes into stage 3.
  • the power adapter After the power adapter receives the feedback indicating that the output voltage of the power adapter matches from the terminal, the power adapter sends an instruction 3 (corresponding to the above-mentioned third instruction) to the terminal to query the maximum charging current supported by the terminal. The terminal returns to the power adapter the maximum charging current supported by itself, and then the second charging communication procedure goes into stage 4.
  • the power adapter After receiving a feedback indicating the maximum charging current supported by the terminal from the terminal, the power adapter may set an output current reference value.
  • the control unit 107 adjusts the duty ratio of the PWM signal according to the output current reference value, such that the output current of the power adapter meets the charging current requirement of the terminal, and the second charging communication procedure goes into constant current stage.
  • the constant current stage means that the peak value or mean value of the output current of the power adapter basically remains unchanged (which means that the variation amplitude of the peak value or mean value of the output current is very small, for example within a range of 5% of the peak value or mean value of the output current), namely, the peak value of the current with the third ripple waveform keeps constant in each period.
  • the power adapter sends an instruction 4 (corresponding to the above-mentioned fourth instruction) at intervals to query the current voltage of battery in the terminal.
  • the terminal may feedback to the power adapter the current voltage of the battery, and the power adapter may determine according to the feedback of the current voltage of the battery whether there is a poor USB contact (i.e., a poor contact between the first charging interface and the second charging interface) and whether it is necessary to decrease the charging current value of the terminal.
  • the power adapter determines that there is the poor USB contact, the power adapter sends an instruction 5 (corresponding to the above-mentioned fifth instruction), and then the power adapter is reset, such that the second charging communication procedure goes into stage 1 again.
  • data corresponding to the instruction 1 may carry data (or information) on the path impedance of the terminal.
  • the data on the path impedance of the terminal may be used in stage 5 to determine whether there is the poor USB contact.
  • the time period from when the terminal agrees to start the second charging mode to when the power adapter adjusts the voltage to a suitable value may be limited in a certain range. If the time period exceeds a predetermined range, the terminal may determine that there is an exception request, thus a quick reset is performed.
  • the terminal may give a feedback indicating that the output voltage of the power adapter is suitable/matches to the power adapter when the output voltage of the power adapter is adjusted to a value higher than the current voltage of the battery by ⁇ V ( ⁇ V is about 200-500 mV).
  • ⁇ V is about 200-500 mV
  • the control unit 107 adjusts the duty ratio of the PWM signal according to the voltage sampling value, so as to adjust the output voltage of the power adapter.
  • the adjusting speed of the output current value of the power adapter may be controlled to be in a certain range, thus avoiding an abnormal interruption of the second charging due to the too fast adjusting speed.
  • stage 5 the variation amplitude of the output current value of the power adapter may be controlled to be within 5%, i.e., stage 5 may be regarded as the constant current stage.
  • the power adapter monitors the impedance of a charging loop in real time, i.e., the power adapter monitors the impedance of the whole charging loop by measuring the output voltage of the power adapter, the charging current and the read-out voltage of the battery in the terminal.
  • the impedance of the charging loop >the path impedance of the terminal+the impedance of the second charging data wire, it may be considered that there is the poor USB contact, and thus a second charging reset is performed.
  • a time interval of communications between the power adapter and the terminal may be controlled to be in a certain range, such that the second charging reset can be avoided.
  • the termination of the second charging mode may be a recoverable termination or an unrecoverable termination.
  • the second charging is stopped and reset, and the second charging communication procedure goes into stage 1.
  • the second charging communication procedure would not go into stage 2, thus the termination of the second charging process may be considered as an unrecoverable termination.
  • the second charging is stopped and reset, and the second charging communication procedure goes into stage 1.
  • the terminal agrees to start the second charging mode to recover the second charging process, thus the termination of the second charging process may be considered as a recoverable termination.
  • the second charging is stopped and reset, and the second charging communication procedure goes into stage 1.
  • the terminal disagrees to start the second charging mode. Till the battery returns to normal and the requirements for stage 1 are met, the terminal agrees to start the second charging to recover the second charging process.
  • the termination of second charging process may be considered as a recoverable termination.
  • Communication actions or operations illustrated in FIG. 6 are merely exemplary.
  • the handshake communication between the terminal and the power adapter may be initiated by the terminal.
  • the terminal sends an instruction 1 to query the power adapter whether to start the second charging mode (or flash charging).
  • the terminal starts the second charging process.
  • stage 5 there is a constant voltage charging stage.
  • the terminal may feedback the current voltage of the battery in the terminal to the power adapter.
  • the charging goes into the constant voltage charging stage when the current voltage of the battery reaches a constant voltage charging voltage threshold.
  • the control unit 107 adjusts the duty ratio of the PWM signal according to the voltage reference value (i.e., the constant voltage charging voltage threshold), such that the output voltage of the power adapter meets the charging voltage requirement of the terminal, i.e., the output voltage of the power adapter basically changes at a constant rate.
  • the constant voltage charging stage the charging current decreases gradually. When the current reduces to a certain threshold, the charging is stopped and it is illustrated that the battery is fully charged.
  • the constant voltage charging refers to that the peak voltage with the third ripple waveform basically keeps constant.
  • acquiring output voltage of the power adapter means that the peak value or mean value of voltage with the third ripple waveform is acquired.
  • Acquiring output current of the power adapter means that the peak value or mean value of current with the third ripple waveform is acquired.
  • the power adapter 1 further includes a controllable switch 108 and a filtering unit 109 in series.
  • the controllable switch 108 and the filtering unit 109 in series are coupled to the first output end of the second rectifier 104 .
  • the control unit 107 is further configured to control the controllable switch 108 to switch on when determining the charging mode as the first charging mode, and to control the controllable switch 108 to switch off when determining the charging mode as the second charging mode.
  • the output end of the second rectifier 104 is further coupled to one or more groups of small capacitors in parallel, which can not only realize a noise reduction, but also reduce the occurrence of surge phenomenon.
  • the output end of the second rectifier 104 is further coupled to an LC filtering circuit or ⁇ type filtering circuit, so as to filter out ripple interference. As illustrated in FIG. 7B , the output end of the second rectifier 104 is coupled to an LC filtering circuit.
  • all capacitors in the LC filtering circuit or the ⁇ type filtering circuit are small capacitors, which occupy small space.
  • the filtering unit 109 includes a filtering capacitor, which supports a standard charging of 5V corresponding to the first charging mode.
  • the controllable switch 108 may be formed of a semiconductor switch element such as a MOS transistor.
  • the control unit 107 controls the controllable switch 108 to switch on so as to incorporate the filtering unit 109 into the circuit, such that a filtering can be performed on the output of the second rectifier 104 .
  • the direct charging technology is compatible, i.e., the direct current is applied to the battery in the terminal so as to realize direct current charging of the battery.
  • the filtering unit includes an electrolytic condenser and a common capacitor such as a small capacitor supporting standard charging of 5V (for example, a solid-state capacitor) in parallel. Since the electrolytic condenser occupies a bigger volume, in order to reduce the size of the power adapter, the electrolytic condenser may be removed from the power adapter and only one capacitor with low capacitance is left.
  • the first charging mode a branch where the small capacitor is located is switched on, and the current is filtered to realize a stable output with low power for performing a direct current charging on the battery.
  • the second charging mode a branch where the small capacitor is located is switched off, and the output of the second rectifier 104 directly apply the voltage/current with ripple waveform without filtering to the battery, so as to realize a second charging of the battery.
  • control unit 107 is further configured to obtain the charging current and/or the charging voltage corresponding to the second charging mode according to the status information of the terminal and to adjust the duty ratio of the control signal such as the PWM signal according to the charging current and/or the charging voltage corresponding to the second charging mode, when determining the charging mode as the second charging mode.
  • the control unit 107 when determining the current charging mode as the second charging mode, obtains the charging current and/or the charging voltage corresponding to the second charging mode according to the obtained status information of the terminal such as the voltage, the electric quantity and the temperature of the battery, running parameters of the terminal and power consumption information of applications running on the terminal, and adjusts the duty ratio of the control signal according to the charging current and/or the charging voltage, such that the output of the power adapter meets the charging requirement, thus realizing the second charging of the battery.
  • the status information of the terminal includes the temperature of the terminal.
  • the temperature of the battery is greater than a first predetermined temperature threshold, or the temperature of the battery is less than a second predetermined temperature threshold, if the current charging mode is the second charging mode, the second charging mode is switched to the first charging mode.
  • the first predetermined temperature threshold is greater than the second predetermined temperature threshold.
  • the first predetermined temperature threshold and the second predetermined temperature threshold can be set according to actual situations, or can be written into the storage of the control unit (such as the MCU of the power adapter).
  • control unit 107 is further configured to control the switch unit 102 to switch off when the temperature of the battery is greater than a predetermined high temperature protection threshold. Namely, when the temperature of the battery exceeds the high temperature protection threshold, the control unit 107 needs to apply a high temperature protection strategy to control the switch unit 102 to switch off, such that the power adapter stops charging the battery, thus realizing the high protection of the battery and improving the safety of charging.
  • the high temperature protection threshold may be different from or the same to the first temperature threshold. In an embodiment, the high temperature protection threshold is greater than the first temperature threshold.
  • the controller is further configured to obtain the temperature of the battery, and to control the charging control switch to switch off (i.e., the charging control switch can be switched off at the terminal side) when the temperature of the battery is greater than the predetermined high temperature protection threshold, so as to stop the charging process of the battery and to ensure the safety of charging.
  • control unit is further configured to obtain a temperature of the first charging interface, and to control the switch unit to switch off when the temperature of the first charging interface is greater than a predetermined protection temperature.
  • the control unit 107 needs to apply the high temperature protection strategy to control the switch unit 102 to switch off, such that the power adapter stops charging the battery, thus realizing the high protection of the battery and improving the safety of charging.
  • the controller obtains the temperature of the first charging interface by performing the bidirectional communication with the control unit.
  • the controller controls the charging control switch (as illustrated in FIG. 13 and FIG. 14 ) to switch off, i.e., switches off the charging control switch at the terminal side, so as to stop the charging process of the battery, thus ensuring the safety of charging.
  • the power adapter 1 further includes a driving unit 110 such as a MOSFET driver.
  • the driving unit 110 is coupled between the switch unit 102 and the control unit 107 .
  • the driving unit 110 is configured to drive the switch unit 102 to switch on or off according to the control signal.
  • the driving unit 110 may also be integrated in the control unit 107 .
  • the power adapter 1 further includes an isolation unit 111 .
  • the isolation unit 111 is coupled between the driving unit 110 and the control unit 107 , and configured to prevent high voltages from affecting the control unit 107 at the secondary side of the transformer 103 sending signals to or receiving signals from the driving unit 110 at the primary side of the transformer 103 , so as to realize a high-voltage isolation between the primary side and the secondary side of the power adapter 1 (or a high-voltage isolation between the primary winding and the secondary winding of the transformer 103 ).
  • the isolation unit 111 may be implemented in an optocoupler isolation manner, or in other isolation manners.
  • control unit 107 may be disposed at the secondary side of the power adapter 1 (or the secondary winding side of the transformer 103 ), such that it is convenient to communicate with the terminal 2 , and the space design of the power adapter 1 becomes easier and simpler.
  • both the control unit 107 and the driving unit 110 can be disposed as the primary side, in this way, the isolation unit 111 can be disposed between the control unit 107 and the sampling unit 106 , configured to prevent high voltages from affecting the control unit 107 at the secondary side of the power adapter, so as to realize the high-voltage isolation between the primary side and the secondary side of the power adapter 1 .
  • an isolation unit 111 is required, and the isolation unit 111 may be integrated in the control unit 107 .
  • an isolation unit is required to realize the high-voltage isolation.
  • the power adapter 1 further includes an auxiliary winding and a power supply unit 112 .
  • the auxiliary winding generates a fourth voltage with a fourth ripple waveform according to the modulated first voltage.
  • the power supply unit 112 is coupled to the auxiliary winding.
  • the power supply unit 112 (for example, including a filtering voltage regulator module, a voltage converting module and the like) is configured to convert the fourth voltage with the fourth ripple waveform and output a direct current, and to supply power to the driving unit 110 and/or the control unit 107 respectively.
  • the power supply unit 112 may be formed of a small filtering capacitor, a voltage regulator chip or other elements, performs a process and conversation on the fourth voltage with the fourth ripple waveform and outputs the low voltage direct current such as 3.3V, 5V or the like.
  • the power supply of the driving unit 110 can be obtained by performing a voltage conversation on the fourth voltage with the fourth ripple waveform by the power supply unit 112 .
  • the power supply of the control unit 107 can also be obtained by performing a voltage conversation on the fourth voltage with the fourth ripple waveform by the power supply unit 112 .
  • the power supply unit 112 provides two lines of direct current outputs, so as to supply power to the driving unit 110 and the control unit 107 respectively.
  • An optocoupler isolation unit 111 is arranged between the control unit 107 and the sampling unit 106 , configured to prevent high voltages from affecting the control unit 107 at the secondary side of the power adapter, to realize the high-voltage isolation between the primary side and the secondary side of the power adapter 1 .
  • the power supply unit 112 supplies power to the control unit 107 only.
  • the control unit 107 is disposed at the secondary side and the driving unit 110 is disposed at the primary side, the power supply unit 112 supplies power to the driving unit 110 only.
  • the power supply to the control unit 107 is realized by the secondary side, for example, a power supply unit converts the third voltage with the third ripple waveform outputted by the second rectifier 104 to direct current to supply power to the control unit 107 .
  • first rectifier 101 for filtering.
  • output end of the first rectifier 110 is coupled to an LC filtering circuit.
  • the power adapter 1 further includes a first voltage detecting unit 113 .
  • the first voltage detecting unit 113 is coupled to the auxiliary winding and the control unit 107 respectively.
  • the first voltage detecting unit 113 is configured to detect the fourth voltage to generate a voltage detecting value.
  • the control unit 107 is further configured to adjust the duty ratio of the control signal according to the voltage detecting value.
  • control unit 107 may reflect the voltage outputted by the second rectifier 104 with the voltage outputted by the secondary winding and detected by the first voltage detecting unit 113 , and then adjusts the duty ratio of the control signal according to the voltage detecting value, such that the output of the second rectifier 104 meets the charging requirement of the battery.
  • the sampling unit 106 includes a first current sampling circuit 1061 and a first voltage sampling circuit 1062 .
  • the first current sampling circuit 1061 is configured to sample the current outputted by the second rectifier 104 so as to obtain the current sampling value.
  • the first voltage sampling circuit 1062 is configured to sample the voltage outputted by the second rectifier 104 so as to obtain the voltage sampling value.
  • the first current sampling circuit 1061 can sample the current outputted by the second rectifier 104 by sampling voltage on a resistor (current detection resistor) coupled to the first output end of the second rectifier 104 .
  • the first voltage sampling circuit 1062 can sample the voltage outputted by the second rectifier 104 by sampling the voltage cross the first output end and the second output end of the second rectifier 104 .
  • the first voltage sampling circuit 1062 includes a peak voltage sampling and holding unit, a cross-zero sampling unit, a leakage unit and an AD sampling unit.
  • the peak voltage sampling and holding unit is configured to sample and hold a peak voltage of the third voltage.
  • the cross-zero sampling unit is configured to sample a zero crossing point of the third voltage.
  • the leakage unit is configured to perform a leakage on the peak voltage sampling and holding unit at the zero crossing point.
  • the AD sampling unit is configured to sample the peak voltage in the peak voltage sampling and holding unit so as to obtain the voltage sampling value.
  • the voltage outputted by the second rectifier 104 may be sampled accurately, and it can be guaranteed that the voltage sampling value keeps synchronous with the first voltage, i.e., the phase and variation trend of magnitude of the voltage sampling value are consistent with those of the first voltage respectively.
  • the power adapter 1 further includes a second voltage sampling circuit 114 .
  • the second voltage sampling circuit 114 is configured to sample the first voltage with the first ripple waveform.
  • the second voltage sampling circuit 114 is coupled to the control unit 107 .
  • the control unit 104 controls the switch unit 102 to switch on for a predetermined time period, for performing a discharge on the surge voltage, spike voltage in the first voltage with the first ripple waveform.
  • the second voltage sampling circuit 114 can be coupled to the first output end and the second output end of the first rectifier 101 , so as to sample the first voltage with the first ripple waveform.
  • the control unit 107 performs a determination on the voltage value sampled by the second voltage sampling circuit 114 .
  • the voltage value sampled by the second voltage sampling circuit 114 is greater than the first predetermined voltage value, it indicates that the power adapter 1 is disturbed by lightning stroke and the surge voltage is generated. At this time, a leakage is required for the surge voltage to ensure the safety and reliability of charging.
  • the control unit 107 controls the switch unit 102 to switch on for a certain time period, to form a leakage circuit, such that the leakage is performed on the surge voltage caused by lightning stroke, thus avoiding the disturbance caused by the lightning stroke when the power adapter charges the terminal, and effectively improving the safety and reliability of the charging of the terminal.
  • the first predetermined voltage value may be determined according to actual situations.
  • the control unit 107 is further configured to control the switch unit 102 to switch off when the voltage value sampled by the sampling unit 106 is greater than a second predetermined voltage value. Namely, the control unit 107 further performs a determination on the voltage value sampled by the sampling unit 106 . When the voltage value sampled by the sampling unit 106 is greater than the second predetermined voltage value, it indicates that the voltage outputted by the power adapter 1 is too high. At this time, the control unit 107 controls the power adapter 1 to stop charging the battery 202 of the terminal 2 by controlling the switch unit 102 to switch off. In other words, the control unit 107 realizes the over-voltage protection of the power adapter 1 by controlling the switch unit 102 to switch off, thus ensuring the safety of charging.
  • the controller 204 obtains the voltage value sampled by the sampling unit 106 by performing a bidirectional communication with the control unit 107 (as illustrated in FIG. 13 and FIG. 14 ), and controls the charging control switch 203 to switch off when the voltage value sampled by the sampling unit 106 is greater than the second predetermined voltage value. Namely, the charging control switch 203 is controlled to switch off at the terminal side, so as to stop the charging process of the battery 202 , such that the safety of charging the battery 202 can be ensured.
  • control unit 107 is further configured to control the switch unit 102 to switch off when the current value sampled by the sampling unit 106 is greater than a predetermined current value. In other words, the control unit 107 further performs a determination on the current value sampled by the sampling unit 106 . When the current value sampled by the sampling unit 106 is greater than the predetermined current value, it indicates that the current outputted by the power adapter 1 is too high. At this time, the control unit 107 controls the power adapter 1 to stop charging the terminal 2 by controlling the switch unit 102 to switch off. In other words, the control unit 107 realizes the over-current protection of the power adapter 1 by controlling the switch unit 102 to switch off, thus ensuring the safety of charging.
  • the controller 204 obtains the current value sampled by the sampling unit 106 by performing the bidirectional communication with the control unit 107 (as illustrated in FIG. 13 and FIG. 14 ), and controls to switch off the charging control switch when the current value sampled by the sampling unit 106 is greater than the predetermined current value.
  • the charging control switch 203 is controlled to be switched off at the terminal side, so as to stop the charging process of the battery 202 , thus ensuring the safety of charging.
  • the second predetermined voltage value and the predetermined current value may be set or written into a storage of the control unit (for example, the control unit 107 of the power adapter, e.g. the MCU of the power adapter) according to actual situations.
  • the control unit for example, the control unit 107 of the power adapter, e.g. the MCU of the power adapter
  • the terminal may be a mobile terminal, such as a mobile phone, a mobile power supply such as a power bank, a multimedia player, a notebook PC, a wearable device or the like.
  • a mobile terminal such as a mobile phone, a mobile power supply such as a power bank, a multimedia player, a notebook PC, a wearable device or the like.
  • the power adapter is controlled to output the third voltage with the third ripple waveform, and the third voltage with the third ripple waveform outputted by the power adapter is directly applied to the battery of the terminal, thus realizing second charging to the battery directly by the ripple output voltage/current.
  • a magnitude of the ripple output voltage/current changes periodically, such that a lithium precipitation of the lithium battery may be reduced, the service life of the battery may be improved, and a probability and intensity of arc discharge of a contact of a charging interface may be reduced, the service life of the charging interface may be prolonged, and it is beneficial to reduce polarization effect of the battery, improve charging speed, and decrease heat emitted by the battery, thus ensuring a reliability and safety of the terminal during the charging.
  • the power adapter outputs the voltage with the ripple waveform, it is unnecessary to provide an electrolytic condenser in the power adapter, which not only realizes simplification and miniaturization of the power adapter, but also decreases cost greatly.
  • Embodiments of the present disclosure further provide a power adapter.
  • the power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a first charging interface, a sampling unit, and a control unit.
  • the first rectifier is configured to rectify an input alternating current and output a first voltage with a first ripple waveform.
  • the switch unit is configured to modulate the first voltage according to a control signal and output a modulated first voltage.
  • the transformer is configured to output a second voltage with a second ripple waveform according to the modulated first voltage.
  • the second rectifier is configured to rectify the second voltage to output a third voltage with a third ripple waveform.
  • the first charging interface is coupled to the second rectifier, configured to apply the third voltage to a battery in a terminal via a second charging interface of the terminal when the first charging interface is coupled to the second charging interface, in which the second charging interface is coupled to the battery.
  • the sampling unit is configured to sample a peak voltage of the third voltage to obtain a voltage sampling value.
  • the control unit is coupled to the sampling unit and the switch unit respectively, and configured to output the control signal to the switch unit, and to adjust a duty ratio of the control signal according to the voltage sampling value, such that the third voltage keeps synchronous with the modulated first voltage and the third voltage meets a charging requirement.
  • the third voltage with the third ripple waveform is outputted via the first charging interface, and the third voltage is directly applied to the battery of the terminal via the second charging interface of the terminal, thus realizing second charging to the battery directly by the ripple output voltage/current.
  • a magnitude of the ripple output voltage/current changes periodically, such that a lithium precipitation of the lithium battery may be reduced, the service life of the battery may be improved, and a probability and intensity of arc discharge of a contact of a charging interface may be reduced, the service life of the charging interface may be prolonged, and it is beneficial to reduce polarization effect of the battery, improve charging speed, and decrease heat emitted by the battery, thus ensuring a reliability and safety of the terminal during the charging.
  • the voltage with the ripple waveform is output, it is unnecessary to provide an electrolytic condenser, which not only realizes simplification and miniaturization of the power adapter, but also decreases cost greatly.
  • FIG. 15 is a flow chart of a charging method according to embodiments of the present disclosure. As illustrated in FIG. 15 , the charging method includes the followings.
  • a first rectifier in the power adapter rectifies the inputted alternating current (i.e., the mains supply, such as alternating current of 220 V, 50 Hz or 60 Hz) and outputs the first voltage (for example, 100 Hz or 120 Hz) with the first ripple waveform, such as a voltage with a steamed bun waveform.
  • the inputted alternating current i.e., the mains supply, such as alternating current of 220 V, 50 Hz or 60 Hz
  • the first voltage for example, 100 Hz or 120 Hz
  • the first ripple waveform such as a voltage with a steamed bun waveform.
  • the first voltage with the first ripple waveform is modulated by a switch unit, and then is converted by a transformer to obtain a second voltage with a second ripple waveform.
  • the switch unit may be formed of a MOS transistor.
  • a PWM control is performed on the MOS transistor to perform a chopping modulation on the voltage with the steamed bun waveform. And then, the modulated first voltage is coupled to a secondary side by the transformer, such that the secondary winding outputs the second voltage with the second ripple waveform.
  • a high-frequency transformer is used for conversion, such that the size of the transformer is small, thus realizing miniaturization of the power adapter with high-power.
  • a second rectification is performed on the second voltage with the second ripple waveform to output a third voltage with a third ripple waveform.
  • the third voltage with the third ripple waveform may be applied to a battery of the terminal via the second charging interface, so as to charge the battery of the terminal.
  • the second rectification is performed by a second rectifier on the second voltage with the second ripple waveform.
  • the second rectifier may be formed of a diode or a MOS transistor, and can realize a secondary synchronous rectification, such that the third ripple waveform keeps synchronous with the waveform of the modulated first voltage.
  • a peak voltage of the third voltage is sampled and held to obtain a voltage sampling value.
  • a duty ratio of a control signal for controlling the switch unit is adjusted according to the voltage sampling value, such that the third voltage keeps synchronous with the modulated first voltage and the third voltage meets a charging requirement.
  • the third voltage with the third ripple waveform meeting the charging requirement means that, the third voltage and current with the third ripple waveform need to meet the charging voltage and charging current when the battery is charged.
  • the duty ratio of the control signal (such as a PWM signal) is adjusted according to the sampled voltage and/or current outputted by the power adapter, so as to adjust the output of the power adapter in real time and realize a closed-loop adjusting control, such that the third voltage with the third ripple waveform meets the charging requirement of the terminal, thus ensuring the stable and safe charging of the battery.
  • a waveform of a charging voltage outputted to a battery is illustrated in FIG. 3 , in which the waveform of the charging voltage is adjusted according to the duty ratio of the PWM signal.
  • a waveform of a charging current outputted to a battery is illustrated in FIG. 4 , in which the waveform of the charging current is adjusted according to the duty ratio of the PWM signal.
  • a chopping modulation is directly performed on the first voltage with the first ripple waveform i.e., the steamed bun waveform after a full-bridge rectification, and then a modulated voltage is sent to the high-frequency transformer and is coupled from the primary side to the secondary side via the high-frequency transformer, and then is changed back to the voltage/current with the steamed bun waveform after a synchronous rectification.
  • the voltage/current with the steamed bun waveform is directly transmitted to the battery so as to realize second charging to the battery.
  • the magnitude of the voltage with the steamed bun waveform may be adjusted according to the duty ratio of the PWM signal, such that the output of the power adapter may meet the charging requirement of the battery.
  • electrolytic condensers at the primary side and the secondary side in the power adapter can be removed, and the battery can be directly charged via the voltage with the steamed bun waveform, such that a size of the power adapter may be reduced, thus realizing miniaturization of the power adapter, and decreasing cost greatly.
  • the method further includes: communicating with the terminal via the first charging interface so as to obtain status information of the terminal, such that the duty ratio of the control signal is adjusted according to the voltage sampling value and the status information of the terminal.
  • the method further includes: sampling current after the second rectification to obtain a current sampling value.
  • a frequency of the control signal is adjusted according to the voltage sampling value and/or the current sampling value. That is, the output of the PWM signal to the switch unit is controlled to maintain for a continuous time period, and then stop for a predetermined time period and then restart.
  • the voltage applied to the battery is intermittent, thus realizing the intermittent charging of the battery, which avoids a safety hazard caused by heating phenomenon occurring when the battery is charged continuously and improves the reliability and safety of the charging to the battery.
  • the control signal outputted to the switch unit is illustrated in FIG. 5 .
  • the above charging method includes: performing a communication with the terminal via the first charging interface to obtain status information of the terminal, and adjusting the duty ratio of the control signal according to the status information of the terminal, the voltage sampling value and/or current sampling value.
  • the power adapter and the terminal may send communication query instructions to each other, and a communication connection can be established between the power adapter and the terminal after corresponding reply instructions are received, such that the power adapter can obtain the status information of the terminal, negotiates with the terminal about the charging mode and the charging parameter (such as the charging current, the charging voltage) and controls the charging process.
  • the charging parameter such as the charging current, the charging voltage
  • a fourth voltage with a fourth ripple waveform can be generated by a conversion of the transformer, and the fourth voltage with the fourth ripple waveform can be detected to generate a voltage detecting value, and the duty ratio of the control signal can be adjusted according to the voltage detecting value.
  • the transformer can be provided with an auxiliary winding.
  • the auxiliary winding can generate the fourth voltage with the fourth ripple waveform according to the modulated first voltage.
  • the output voltage of the power adapter can be reflected by detecting the fourth voltage with the fourth ripple waveform, and the duty ratio of the control signal can be adjusted according to the voltage detecting value, such that the output of the power adapter meets the charging requirement of the battery.
  • sampling the voltage after the second rectification to obtain the voltage sampling value including: sampling and holding a peak value of the voltage after the second rectification, and sampling a zero crossing point of the voltage after the second rectification; performing a leakage on a peak voltage sampling and holding unit configured for sampling and holding the peak voltage at the zero crossing point; and sampling the peak voltage in the peak voltage sampling and holding unit so as to obtain the voltage sampling value.
  • the above charging method includes: sampling the first voltage with the first ripple waveform, and controlling the switch unit to switch on for a predetermined time period for performing a discharge on surge voltage in the first voltage with the first ripple waveform when a sampled voltage value is greater than a first predetermined voltage value.
  • the first voltage with the first ripple waveform is sampled so as to determine the sampled voltage value.
  • the sampled voltage value is greater than the first predetermined voltage value, it indicates that the power adapter is disturbed by lightning stroke and the surge voltage is generated.
  • a leakage is required for the surge voltage to ensure the safety and reliability of charging. It is required to control the switch unit to switch on for a certain time period, to form a leakage circuit, such that the leakage is performed on the surge voltage caused by lightning stroke, thus avoiding the disturbance caused by the lightning stroke when the power adapter charges the terminal, and effectively improving the safety and reliability of the charging of the terminal.
  • the first predetermined voltage value may be determined according to actual situations.
  • a communication with the terminal is performed via the first charging interface to determine the charging mode.
  • the charging mode is determined as the second charging mode
  • the charging current and/or charging voltage corresponding to the second charging mode can be obtained according to the status information of the terminal, so as to adjust the duty ratio of the control signal according to the charging current and/or charging voltage corresponding to the second charging mode.
  • the charging mode includes the second charging mode and the first charging mode.
  • the charging current and/or charging voltage corresponding to the second charging mode can be obtained according to the status information of the terminal, such as the voltage, electric quantity, temperature of the battery, running parameters of the terminal and power consumption information of applications running on the terminal or the like. And the duty ratio of the control signal is adjusted according to the obtained charging current and/or charging voltage, such that the output of the power adapter meets the charging requirement, thus realizing the second charging of the terminal.
  • the status information of the terminal includes the temperature of the battery.
  • the temperature of the battery is greater than a first predetermined temperature threshold, or the temperature of the battery is less than a second predetermined temperature threshold, if the current charging mode is the second charging mode, the second charging mode is switched to the first charging mode.
  • the first predetermined temperature threshold is greater than the second predetermined temperature threshold.
  • the first predetermined temperature threshold and the second predetermined temperature threshold can be set according to actual situations.
  • the switch unit is controlled to switch off when the temperature of the battery is greater than a predetermined high temperature protection threshold. Namely, when the temperature of the battery exceeds the high temperature protection threshold, it needs to apply a high temperature protection strategy to control the switch unit to switch off, such that the power adapter stops charging the battery, thus realizing the high protection of the battery and improving the safety of charging.
  • the high temperature protection threshold may be different from or the same to the first temperature threshold. In an embodiment, the high temperature protection threshold is greater than the first temperature threshold.
  • the terminal further obtains the temperature of the battery, and controls to stop charging the battery (for example by controlling a charging control switch to switch off at the terminal side) when the temperature of the battery is greater than the predetermined high temperature protection threshold, so as to stop the charging process of the battery and to ensure the safety of charging.
  • the charging method further includes: obtaining a temperature of the first charging interface, and controlling the switch unit to switch off when the temperature of the first charging interface is greater than a predetermined protection temperature.
  • the control unit needs to apply the high temperature protection strategy to control the switch unit to switch off, such that the power adapter stops charging the battery, thus realizing the high protection of the battery and improving the safety of charging.
  • the terminal obtains the temperature of the first charging interface by performing the bidirectional communication with the power adapter via the second charging interface.
  • the terminal controls the charging control switch to switch off, i.e., the charging control switch can be switched off at the terminal side, so as to stop the charging process of the battery, thus ensuring the safety of charging.
  • the switch unit is controlled to switch off when the voltage sampling value is greater than a second predetermined voltage value. Namely, a determination is performed on the voltage sampling value during the process that the power adapter charges the terminal. When the voltage sampling value is greater than the second predetermined voltage value, it indicates that the voltage outputted by the power adapter is too high. At this time, the power adapter is controlled to stop charging the terminal by controlling the switch unit to switch off. In other words, the over-voltage protection of the power adapter is realized by controlling the switch unit to switch off, thus ensuring the safety of charging.
  • the terminal obtains the voltage sampling value by performing a bidirectional communication with the power adapter via the second charging interface, and controls to stop charging the battery when the voltage sampling value is greater than the second predetermined voltage value.
  • the charging control switch is controlled to switch off at the terminal side, so as to stop the charging process, such that the safety of charging can be ensured.
  • the switch unit is controlled to switch off when the current sampling value is greater than a predetermined current value.
  • a determination is performed on the current sampling value.
  • the power adapter is controlled to stop charging the terminal by controlling the switch unit to switch off.
  • the over-current protection of the power adapter is realized by controlling the switch unit to switch off, thus ensuring the safety of charging.
  • the terminal obtains the current sampling value by performing the bidirectional communication with the power adapter via the second charging interface, and controls to stop charging the battery when the current sampling value is greater than the predetermined current value.
  • the charging control switch is controlled to be switched off at the terminal side, such that the charging process of the battery is stopped, thus ensuring the safety of charging.
  • the second predetermined voltage value and the predetermined current value may be set according to actual situations.
  • the status information of the terminal includes the electric quantity of the battery, the temperature of the battery, the voltage/current of the battery of the terminal, interface information of the terminal and information on a path impedance of the terminal.
  • the power adapter can be coupled to the terminal via a universal serial bus (USB) interface.
  • the USB interface may be a general USB interface, or a micro USB interface.
  • a data wire in the USB interface is configured as the data wire in the first charging interface, and configured for the bidirectional communication between the power adapter and the terminal.
  • the data wire may be D+ and/or D ⁇ wire in the USB interface.
  • the bidirectional communication may refer to an information interaction performed between the power adapter and the terminal.
  • the power adapter performs the bidirectional communication with the terminal via the data wire in the USB interface, so as to determine to charge the terminal in the second charging mode.
  • the power adapter when the power adapter performs the bidirectional communication with the terminal via the first charging interface so as to determine to charge the terminal in the second charging mode, the power adapter sends a first instruction to the terminal.
  • the first instruction is configured to query the terminal whether to start the second charging mode.
  • the power adapter receives a first reply instruction from the terminal.
  • the first reply instruction is configured to indicate that the terminal agrees to start the second charging mode.
  • the power adapter charges the terminal in the first charging mode.
  • the power adapter determines that a charging duration of the first charging mode is greater than a predetermined threshold, the power adapter sends the first instruction to the terminal.
  • the power adapter when the power adapter determines that a charging duration of the first charging mode is greater than a predetermined threshold, the power adapter may determine that the terminal has identified it as a power adapter, such that the second charging query communication may start.
  • the power adapter is controlled to adjust a charging current to a charging current corresponding to the second charging mode by controlling the switch unit.
  • a bidirectional communication is performed with the terminal via the first charging interface to determine a charging voltage corresponding to the second charging mode, and the power adapter is controlled to adjust a charging voltage to the charging voltage corresponding to the second charging mode.
  • performing the bidirectional communication with the terminal via the first charging interface to determine the charging voltage corresponding to the second charging mode includes: sending by the power adapter a second instruction to the terminal, receiving by the power adapter a second reply instruction sent from the terminal, and determining by the power adapter the charging voltage corresponding to the second charging mode according to the second reply instruction.
  • the second instruction is configured to query whether a current output voltage of the power adapter is suitable for being used as the charging voltage corresponding to the second charging mode.
  • the second reply instruction is configured to indicate that the current output voltage of the power adapter is suitable, high or low.
  • the charging current corresponding to the second charging mode is determined by performing the bidirectional communication with the terminal via the first charging interface.
  • determining the charging current corresponding to the second charging mode by performing the bidirectional communication with the terminal via the first charging interface includes: sending by the power adapter a third instruction to the terminal, receiving by the power adapter a third reply instruction sent from the terminal and determining by the power adapter the charging current corresponding to the second charging mode according to the third reply instruction.
  • the third instruction is configured to query a maximum charging current supported by the terminal.
  • the third reply instruction is configured to indicate the maximum charging current supported by the terminal.
  • the power adapter may determine the above maximum charging current as the charging current corresponding to the second charging mode, or may set the charging current as a charging current less than the maximum charging current.
  • the bidirectional communication is performed with the terminal via the first charging interface, so as to continuously adjust a charging current outputted to the battery from the power adapter by controlling the switch unit.
  • the power adapter may query the status information of the terminal continuously, so as to adjust the charging current continuously, for example, query the voltage of the battery of the terminal, the electric quantity of the battery, etc.
  • performing the bidirectional communication with the terminal via the first charging interface to continuously adjust the charging current outputted to the battery from the power adapter by controlling the switch unit includes: sending by the power adapter a fourth instruction to the terminal, receiving by the power adapter a fourth reply instruction sent by the terminal, and adjusting the charging current by controlling the switch unit according to the current voltage of the battery.
  • the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal.
  • adjusting the charging current by controlling the switch unit according to the current voltage of the battery includes: adjusting the charging current outputted to the battery from the power adapter to a charging current value corresponding to the current voltage of the battery by controlling the switch unit according to the current voltage of the battery and a predetermined correspondence between battery voltage values and charging current values.
  • the power adapter may store the correspondence between battery voltage values and charging current values in advance.
  • the power adapter charges the terminal in the second charging mode. It is determined whether there is a poor contact between the first charging interface and the second charging interface by performing the bidirectional communication with the terminal via the first charging interface. When it is determined that there is the poor contact between the first charging interface and the second charging interface, the power adapter is controlled to quit the second charging mode.
  • the power adapter before determining whether there is the poor contact between the first charging interface and the second charging interface, receives information indicating a path impedance of the terminal from the terminal.
  • the power adapter sends a fourth instruction to the terminal.
  • the fourth instruction is configured to query a current voltage of the battery in the terminal.
  • the power adapter receives a fourth reply instruction sent by the terminal.
  • the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal.
  • the power adapter determines a path impedance from the power adapter to the battery according to an output voltage of the power adapter and the current voltage of the battery and determines whether there is the poor contact between the first charging interface and the second charging interface according to the path impedance from the power adapter to the battery, the path impedance of the terminal, and a path impedance of a charging wire between the power adapter and the terminal.
  • a fifth instruction is sent to the terminal.
  • the fifth instruction is configured to indicate that there is the poor contact between the first charging interface and the second charging interface.
  • the power adapter may quit the second charging mode or reset.
  • the second charging process according to embodiments of the present disclosure is described from the perspective of the power adapter, and then the second charging process according to embodiments of the present disclosure will be described from the perspective of the terminal in the following.
  • the terminal supports the first charging mode and the second charging mode.
  • the charging current of the second charging mode is greater than that of the first charging mode.
  • the terminal performs the bidirectional communication with the power adapter via the second charging interface such that the power adapter determines to charge the terminal in the second charging mode.
  • the power adapter outputs according to a charging current corresponding to the second charging mode, for charging the battery in the terminal.
  • performing by the terminal the bidirectional communication with the power adapter via the second charging interface such that the power adapter determines to charge the terminal in the second charging mode includes: receiving by the terminal the first instruction sent by the power adapter, in which the first instruction is configured to query the terminal whether to start the second charging mode; sending by the terminal a first reply instruction to the power adapter.
  • the first reply instruction is configured to indicate that the terminal agrees to start the second charging mode.
  • the battery in the terminal is charged by the power adapter in the first charging mode.
  • the power adapter determines that a charging duration of the first charging mode is greater than a predetermined threshold, the terminal receives the first instruction sent by the power adapter.
  • the terminal before the power adapter outputs according to the charging current corresponding to the second charging mode for charging the battery in the terminal, the terminal performs the bidirectional communication with the power adapter via the second charging interface, such that the power adapter determines the charging voltage corresponding to the second charging mode.
  • performing by the terminal the bidirectional communication with the power adapter via the second charging interface such that the power adapter determines the charging voltage corresponding to the second charging mode includes: receiving by the terminal a second instruction sent by the power adapter, and sending by the terminal a second reply instruction to the power adapter.
  • the second instruction is configured to query whether a current output voltage of the power adapter is suitable for being used as the charging voltage corresponding to the second charging mode.
  • the second reply instruction is configured to indicate that the current output voltage of the power adapter is suitable, high or low.
  • the terminal before the terminal receives the charging current corresponding to the second charging mode from the power adapter for charging the battery in the terminal, the terminal performs the bidirectional communication with the power adapter via the second charging interface, such that the power adapter determines the charging current corresponding to the second charging mode.
  • Performing by the terminal the bidirectional communication with the power adapter via the second charging interface such that the power adapter determines the charging current corresponding to the second charging mode includes: receiving by the terminal a third instruction sent by the power adapter, in which the third instruction is configured to query a maximum charging current supported by the terminal; sending by the terminal a third reply instruction to the power adapter, in which the third reply instruction is configured to indicate the maximum charging current supported by the terminal, such that the power adapter determines the charging current corresponding to the second charging mode according to the maximum charging current.
  • the terminal performs the bidirectional communication with the power adapter via the second charging interface, such that the power adapter continuously adjusts a charging current outputted to the battery.
  • Performing by the terminal the bidirectional communication with the power adapter via the second charging interface such that the power adapter continuously adjusts a charging current outputted to the battery includes: receiving by the terminal a fourth instruction sent by the power adapter, in which the fourth instruction is configured to query a current voltage of the battery in the terminal; sending by the terminal a fourth reply instruction to the power adapter, in which the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal, such that the power adapter continuously adjusts the charging current outputted to the battery according to the current voltage of the battery.
  • the terminal performs the bidirectional communication with the control unit, such that the power adapter determines whether there is a poor contact between the first charging interface and the second charging interface.
  • Performing by the terminal the bidirectional communication with the power adapter, such that the power adapter determines whether there is the poor contact between the first charging interface and the second charging interface includes: receiving by the terminal a fourth instruction sent by the power adapter, in which the fourth instruction is configured to query a current voltage of the battery in the terminal; sending by the terminal a fourth reply instruction to the power adapter, in which the fourth reply instruction is configured to indicate the current voltage of the battery in the terminal, such that the power adapter determines whether there is the poor contact between the first charging interface and the second charging interface according to an output voltage of the power adapter and the current voltage of the battery.
  • the terminal receives a fifth instruction sent by the power adapter.
  • the fifth instruction is configured to indicate that there is the poor contact between the first charging interface and the second charging interface.
  • the power adapter may perform a second charging communication procedure with the terminal, for example, by one or more handshakes, so as to realize the second charging of battery.
  • FIG. 6 the second charging communication procedure according to embodiments of the present disclosure and respective stages in the second charging process will be described in detail. Communication actions or operations illustrated in FIG. 6 are merely exemplary. Other operations or various modifications of respective operations in FIG. 6 can be implemented in embodiments of the present disclosure. In addition, respective stages in FIG. 6 may be executed in an order different from that illustrated in FIG. 6 , and it is unnecessary to execute all the operations illustrated in FIG. 6 .
  • a curve in FIG. 6 represents a variation trend of a peak value or a mean value of the charging current, rather than a curve of actual charging current.
  • the power adapter is controlled to output the third voltage with the third ripple waveform which meets the charging requirement, and the third voltage with the third ripple waveform outputted by the power adapter is directly applied to the battery of the terminal, thus realizing second charging to the battery directly by the ripple output voltage/current.
  • a magnitude of the ripple output voltage/current changes periodically, such that a lithium precipitation of the lithium battery may be reduced, the service life of the battery may be improved, and a probability and intensity of arc discharge of a contact of a charging interface may be reduced, the service life of the charging interface may be prolonged, and it is beneficial to reduce polarization effect of the battery, improve charging speed, and decrease heat emitted by the battery, thus ensuring a reliability and safety of the terminal during the charging.
  • the power adapter outputs the voltage with the ripple waveform, it is unnecessary to provide an electrolytic condenser in the power adapter, which not only realizes simplification and miniaturization of the power adapter, but also decreases cost greatly.
  • first and second are used herein for purposes of description and are not intended to indicate or imply relative importance or significance or to imply the number of indicated technical features.
  • the feature defined with “first” and “second” may comprise one or more of this feature.
  • “a plurality of” means two or more than two, unless specified otherwise.
  • the terms “mounted,” “connected,” “coupled,” “fixed” and the like are used broadly, and may be, for example, fixed connections, detachable connections, or integral connections; may also be mechanical or electrical connections; may also be direct connections or indirect connections via intervening structures; may also be inner communications of two elements, which can be understood by those skilled in the art according to specific situations.
  • a structure in which a first feature is “on” or “below” a second feature may include an embodiment in which the first feature is in direct contact with the second feature, and may also include an embodiment in which the first feature and the second feature are not in direct contact with each other, but are contacted via an additional feature formed therebetween.
  • a first feature “on,” “above,” or “on top of” a second feature may include an embodiment in which the first feature is right or obliquely “on,” “above,” or “on top of” the second feature, or just means that the first feature is at a height higher than that of the second feature; while a first feature “below,” “under,” or “on bottom of” a second feature may include an embodiment in which the first feature is right or obliquely “below,” “under,” or “on bottom of” the second feature, or just means that the first feature is at a height lower than that of the second feature.
  • the disclosed system, device and method may be implemented in other way.
  • embodiments of the described device are merely exemplary.
  • the partition of units is merely a logical function partitioning. There may be other partitioning ways in practice. For example, several units or components may be integrated into another system, or some features may be ignored or not implemented.
  • the coupling between each other or directly coupling or communication connection may be implemented via some interfaces.
  • the indirect coupling or communication connection may be implemented in an electrical, mechanical or other manner.
  • the units illustrated as separate components can be or not be separated physically, and components described as units can be or not be physical units, i.e., can be located at one place, or can be distributed onto multiple network units. It is possible to select some or all of the units according to actual needs, for realizing the objective of embodiments of the present disclosure.
  • each functional unit in the present disclosure may be integrated in one progressing module, or each functional unit exists as an independent unit, or two or more functional units may be integrated in one module.
  • the integrated module is embodied in software and sold or used as an independent product, it can be stored in the computer readable storage medium. Based on this, the technical solution of the present disclosure or a part making a contribution to the related art or a part of the technical solution may be embodied in a manner of software product.
  • the computer software produce is stored in a storage medium, including some instructions for causing one computer device (such as a personal PC, a server, or a network device etc.) to execute all or some of steps of the method according to embodiments of the present disclosure.
  • the above-mentioned storage medium may be a medium able to store program codes, such as, USB flash disk, mobile hard disk drive (mobile HDD), read-only memory (ROM), random-access memory (RAM), a magnetic tape, a floppy disc, an optical data storage device, and the like.
  • program codes such as, USB flash disk, mobile hard disk drive (mobile HDD), read-only memory (ROM), random-access memory (RAM), a magnetic tape, a floppy disc, an optical data storage device, and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
  • Dc-Dc Converters (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Sources (AREA)
  • Power Conversion In General (AREA)
  • Telephone Function (AREA)
  • Protection Of Static Devices (AREA)
US15/543,222 2016-02-05 2016-07-26 Charging system and charging method for terminal, and power adapter Expired - Fee Related US10886772B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/CN2016/073679 WO2017133001A1 (zh) 2016-02-05 2016-02-05 充电方法、适配器和移动终端
PCT/CN2016/091760 WO2017133197A1 (zh) 2016-02-05 2016-07-26 用于终端的充电系统、充电方法以及电源适配器

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2016/073679 Continuation-In-Part WO2017133001A1 (zh) 2016-02-05 2016-02-05 充电方法、适配器和移动终端
PCT/CN2016/073679 Continuation WO2017133001A1 (zh) 2016-02-05 2016-02-05 充电方法、适配器和移动终端

Publications (2)

Publication Number Publication Date
US20180331561A1 US20180331561A1 (en) 2018-11-15
US10886772B2 true US10886772B2 (en) 2021-01-05

Family

ID=57114734

Family Applications (27)

Application Number Title Priority Date Filing Date
US15/563,867 Active 2036-05-29 US10340727B2 (en) 2016-02-05 2016-07-26 Charging system and charging method, and power adapter
US15/559,259 Active US10727687B2 (en) 2016-02-05 2016-07-26 Charging system and method for terminal, power adapter and charging device
US15/543,222 Expired - Fee Related US10886772B2 (en) 2016-02-05 2016-07-26 Charging system and charging method for terminal, and power adapter
US15/562,158 Active 2036-05-15 US10680460B2 (en) 2016-02-05 2016-07-26 Charging system and charging method and power adapter for charging a rechargeable battery
US15/406,017 Abandoned US20170229877A1 (en) 2016-02-05 2017-01-13 Charge method, adapter and mobile terminal
US15/646,174 Expired - Fee Related US10790696B2 (en) 2016-02-05 2017-07-11 Charging device and method, power adapter and terminal
US15/649,277 Active 2037-09-15 US10312712B2 (en) 2016-02-05 2017-07-13 Charging system, charging method, and power adapter
US15/649,507 Active 2036-04-12 US10348121B2 (en) 2016-02-05 2017-07-13 Charging system, lightning protection method for terminal during charging, and power adapter
US15/649,552 Active 2036-03-28 US10516290B2 (en) 2016-02-05 2017-07-13 Charging device, charging method, power adapter and terminal
US15/658,270 Active 2037-09-28 US10381861B2 (en) 2016-02-05 2017-07-24 Charging system, charging method, and power adapter
US15/657,984 Active US10181745B2 (en) 2016-02-05 2017-07-24 Charging system and charging method, and power adapter
US15/657,377 Active 2036-03-20 US10320217B2 (en) 2016-02-05 2017-07-24 Charging system and method, and power adapter
US15/669,347 Active 2036-04-01 US10411496B2 (en) 2016-02-05 2017-08-04 Charging system and charging method, and power adapter
US15/712,382 Active 2038-10-29 US11070076B2 (en) 2016-02-05 2017-09-22 Charging method, charging system, and power adapter
US15/725,064 Active 2037-06-01 US10622829B2 (en) 2016-02-05 2017-10-04 Charging control method and apparatus
US15/725,074 Active 2036-08-14 US10340718B2 (en) 2016-02-05 2017-10-04 Charging system, charging method, and power adapter
US15/725,055 Active 2036-08-28 US10340717B2 (en) 2016-02-05 2017-10-04 Charging system, charging method, and power adapter
US15/803,565 Active US10277053B2 (en) 2016-02-05 2017-11-03 Charging system, lightning protection method for terminal during charging, and power adapter
US15/803,583 Active US10090700B2 (en) 2016-02-05 2017-11-03 Charging device and charging method for charging a battery
US15/803,506 Active US10141766B2 (en) 2016-02-05 2017-11-03 Charging system and method, and power adapter
US15/803,281 Active US10122201B2 (en) 2016-02-05 2017-11-03 Charging system and charging method, and power adapter
US15/955,658 Active US10224737B2 (en) 2016-02-05 2018-04-17 Charging device and method, power adapter and terminal
US15/973,284 Active US10326297B2 (en) 2016-02-05 2018-05-07 Charging system, charging method, and power adapter
US16/113,167 Active US10333331B2 (en) 2016-02-05 2018-08-27 Charging device and terminal providing power with alternating current
US16/166,766 Active US10418835B2 (en) 2016-02-05 2018-10-22 Charging system and method, and power adapter
US16/251,986 Expired - Fee Related US10749371B2 (en) 2016-02-05 2019-01-18 Charging device and method, power adapter and terminal
US16/683,138 Expired - Fee Related US10992160B2 (en) 2016-02-05 2019-11-13 Charging device, charging method, power adapter and terminal

Family Applications Before (2)

Application Number Title Priority Date Filing Date
US15/563,867 Active 2036-05-29 US10340727B2 (en) 2016-02-05 2016-07-26 Charging system and charging method, and power adapter
US15/559,259 Active US10727687B2 (en) 2016-02-05 2016-07-26 Charging system and method for terminal, power adapter and charging device

Family Applications After (24)

Application Number Title Priority Date Filing Date
US15/562,158 Active 2036-05-15 US10680460B2 (en) 2016-02-05 2016-07-26 Charging system and charging method and power adapter for charging a rechargeable battery
US15/406,017 Abandoned US20170229877A1 (en) 2016-02-05 2017-01-13 Charge method, adapter and mobile terminal
US15/646,174 Expired - Fee Related US10790696B2 (en) 2016-02-05 2017-07-11 Charging device and method, power adapter and terminal
US15/649,277 Active 2037-09-15 US10312712B2 (en) 2016-02-05 2017-07-13 Charging system, charging method, and power adapter
US15/649,507 Active 2036-04-12 US10348121B2 (en) 2016-02-05 2017-07-13 Charging system, lightning protection method for terminal during charging, and power adapter
US15/649,552 Active 2036-03-28 US10516290B2 (en) 2016-02-05 2017-07-13 Charging device, charging method, power adapter and terminal
US15/658,270 Active 2037-09-28 US10381861B2 (en) 2016-02-05 2017-07-24 Charging system, charging method, and power adapter
US15/657,984 Active US10181745B2 (en) 2016-02-05 2017-07-24 Charging system and charging method, and power adapter
US15/657,377 Active 2036-03-20 US10320217B2 (en) 2016-02-05 2017-07-24 Charging system and method, and power adapter
US15/669,347 Active 2036-04-01 US10411496B2 (en) 2016-02-05 2017-08-04 Charging system and charging method, and power adapter
US15/712,382 Active 2038-10-29 US11070076B2 (en) 2016-02-05 2017-09-22 Charging method, charging system, and power adapter
US15/725,064 Active 2037-06-01 US10622829B2 (en) 2016-02-05 2017-10-04 Charging control method and apparatus
US15/725,074 Active 2036-08-14 US10340718B2 (en) 2016-02-05 2017-10-04 Charging system, charging method, and power adapter
US15/725,055 Active 2036-08-28 US10340717B2 (en) 2016-02-05 2017-10-04 Charging system, charging method, and power adapter
US15/803,565 Active US10277053B2 (en) 2016-02-05 2017-11-03 Charging system, lightning protection method for terminal during charging, and power adapter
US15/803,583 Active US10090700B2 (en) 2016-02-05 2017-11-03 Charging device and charging method for charging a battery
US15/803,506 Active US10141766B2 (en) 2016-02-05 2017-11-03 Charging system and method, and power adapter
US15/803,281 Active US10122201B2 (en) 2016-02-05 2017-11-03 Charging system and charging method, and power adapter
US15/955,658 Active US10224737B2 (en) 2016-02-05 2018-04-17 Charging device and method, power adapter and terminal
US15/973,284 Active US10326297B2 (en) 2016-02-05 2018-05-07 Charging system, charging method, and power adapter
US16/113,167 Active US10333331B2 (en) 2016-02-05 2018-08-27 Charging device and terminal providing power with alternating current
US16/166,766 Active US10418835B2 (en) 2016-02-05 2018-10-22 Charging system and method, and power adapter
US16/251,986 Expired - Fee Related US10749371B2 (en) 2016-02-05 2019-01-18 Charging device and method, power adapter and terminal
US16/683,138 Expired - Fee Related US10992160B2 (en) 2016-02-05 2019-11-13 Charging device, charging method, power adapter and terminal

Country Status (15)

Country Link
US (27) US10340727B2 (da)
EP (10) EP3229336B1 (da)
JP (12) JP6615873B2 (da)
KR (10) KR101906977B1 (da)
CN (75) CN111211609B (da)
AU (2) AU2016291545B2 (da)
DK (2) DK3276782T3 (da)
ES (13) ES2829256T3 (da)
IL (1) IL255330B (da)
MY (2) MY181704A (da)
PT (2) PT3276782T (da)
SG (2) SG11201700428UA (da)
TW (11) TWI624131B (da)
WO (11) WO2017133001A1 (da)
ZA (1) ZA201707054B (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11437865B2 (en) * 2017-04-07 2022-09-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wireless charging system, wireless charging method, and device to-be-charged
US20230009995A1 (en) * 2021-07-11 2023-01-12 Harman International Industries, Incorporated System and method for delivering power to a portable device
US20230208179A1 (en) * 2021-12-28 2023-06-29 Makita Corporation Battery charger

Families Citing this family (223)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103762702B (zh) * 2014-01-28 2015-12-16 广东欧珀移动通信有限公司 电子设备充电装置及其电源适配器
US10998734B2 (en) * 2014-01-28 2021-05-04 Guang Dong Oppo Mobile Telecommunications Corp., Ltd. Power adapter and terminal
US10090695B2 (en) * 2014-08-29 2018-10-02 Fairchild Semiconductor Corporation Optimized current pulse charging apparatus and method employing increasing clamp reference voltages and decreasing current pulses
EP3474416A1 (en) * 2014-11-11 2019-04-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd Power adaptor, terminal and charging system
EP3220506B1 (en) * 2014-11-11 2020-02-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Communication method, power adaptor and terminal
WO2017000216A1 (zh) * 2015-06-30 2017-01-05 深圳市大疆创新科技有限公司 充电控制电路、充电装置、充电系统及充电控制方法
US10742064B2 (en) * 2015-09-15 2020-08-11 Lithium Power, Inc. Solar battery system for low temperature operation
KR101894777B1 (ko) * 2015-09-22 2018-09-04 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 충전 제어 방법과 장치 및 전자 기기
ES2712066T3 (es) * 2016-01-05 2019-05-09 Guangdong Oppo Mobile Telecommunications Corp Ltd Método de carga rápida, terminal móvil y adaptador
ES2746231T3 (es) 2016-02-05 2020-03-05 Guangdong Oppo Mobile Telecommunications Corp Ltd Adaptador y método de control de carga
CN111211609B (zh) * 2016-02-05 2021-06-25 Oppo广东移动通信有限公司 充电方法、适配器和移动终端
KR102023617B1 (ko) * 2016-03-22 2019-09-20 삼성전자주식회사 이식형 의료장치에 전력을 공급하는 방법 및 이를 이용하는 전력공급시스템
CN107231013B (zh) * 2016-05-24 2019-01-15 华为技术有限公司 一种充电的方法、终端、充电器和系统
EP4037175B1 (en) 2016-07-26 2024-08-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
EP3723231B1 (en) * 2016-07-26 2021-10-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
CN107947252B (zh) 2016-10-12 2020-09-22 Oppo广东移动通信有限公司 终端和设备
CN209488195U (zh) 2016-10-12 2019-10-11 Oppo广东移动通信有限公司 移动终端
JP2018087879A (ja) * 2016-11-28 2018-06-07 キヤノン株式会社 画像形成装置
KR102314043B1 (ko) * 2016-12-05 2021-10-18 삼성에스디아이 주식회사 배터리 팩 충전 시스템
CN106775763A (zh) * 2017-01-10 2017-05-31 联想(北京)有限公司 数据配置方法、装置、系统及扩展坞、电子设备
CN106655739A (zh) * 2017-01-17 2017-05-10 上海施能电器设备有限公司 一种用于恒压限流充电的控制电路
EP3579045B1 (en) * 2017-02-02 2024-07-17 Toppan Printing Co., Ltd. Dimmer device
CN108419316B (zh) * 2017-02-10 2020-12-22 佛山市顺德区美的电热电器制造有限公司 电磁加热设备、电磁加热系统及其加热控制方法和装置
CN108419321B (zh) * 2017-02-10 2020-12-22 佛山市顺德区美的电热电器制造有限公司 电磁加热设备、电磁加热系统及其加热控制方法和装置
CN108419317B (zh) * 2017-02-10 2020-12-22 佛山市顺德区美的电热电器制造有限公司 电磁加热设备、电磁加热系统及其加热控制方法和装置
CN108419322B (zh) * 2017-02-10 2020-12-22 佛山市顺德区美的电热电器制造有限公司 电磁加热设备、电磁加热系统及其加热控制方法和装置
US10530177B2 (en) * 2017-03-09 2020-01-07 Cochlear Limited Multi-loop implant charger
TWI612750B (zh) * 2017-03-22 2018-01-21 Asustek Computer Inc. 電子裝置及其充電方法
CN107037866B (zh) * 2017-03-30 2020-01-10 Oppo广东移动通信有限公司 一种终端复位电路及终端
ES2770114T3 (es) * 2017-04-06 2020-06-30 Guangdong Oppo Mobile Telecommunications Corp Ltd Sistema de carga, procedimiento de carga y adaptador de potencia
WO2018188006A1 (zh) 2017-04-13 2018-10-18 广东欧珀移动通信有限公司 待充电设备和充电方法
SG11201907726VA (en) 2017-04-07 2019-09-27 Guangdong Oppo Mobile Telecommunications Corp Ltd Wireless charging system, device, and method, and device to-be-charged
WO2018184285A1 (zh) * 2017-04-07 2018-10-11 广东欧珀移动通信有限公司 无线充电系统、装置、方法及待充电设备
EP3484011B1 (en) * 2017-04-25 2021-09-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Power supply device and charging control method
CN107204493B (zh) * 2017-04-28 2020-09-29 宁德时代新能源科技股份有限公司 电池充电方法、装置和设备
CN109148985A (zh) * 2017-06-15 2019-01-04 苏州宝时得电动工具有限公司 一种电池包充电方法及装置
CN107331910B (zh) * 2017-06-30 2020-06-02 北京小米移动软件有限公司 充电方法及装置
CN108233543A (zh) * 2017-07-31 2018-06-29 珠海市魅族科技有限公司 一种无线电源适配器、无线充电系统及方法
CN107579648A (zh) * 2017-08-04 2018-01-12 许继电源有限公司 一种反激式开关电源及其控制电路
WO2019042003A1 (zh) * 2017-08-31 2019-03-07 上海汇瑞半导体科技有限公司 一种并行电池充电电路及其充电方法
US11121560B2 (en) 2017-09-03 2021-09-14 Google Llc Hot-pluggable dual battery with pass through charging
US10505383B2 (en) * 2017-09-19 2019-12-10 Rai Strategic Holdings, Inc. Intelligent charger for an aerosol delivery device
EP3657660B1 (en) * 2017-09-22 2021-07-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Power supply circuit, power supply device, and control method
WO2019056319A1 (zh) * 2017-09-22 2019-03-28 Oppo广东移动通信有限公司 电源提供电路、电源提供设备以及控制方法
JP6781843B2 (ja) * 2017-09-22 2020-11-04 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． 電源供給回路、電源供給機器及び制御方法
CN109804541B (zh) * 2017-09-22 2021-05-18 Oppo广东移动通信有限公司 电源提供电路、电源提供设备以及控制方法
JP6812550B2 (ja) * 2017-09-22 2021-01-13 オッポ広東移動通信有限公司Ｇｕａｎｇｄｏｎｇ Ｏｐｐｏ Ｍｏｂｉｌｅ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｃｏｒｐ．， Ｌｔｄ． 電源供給回路、電源供給機器および制御方法
WO2019061351A1 (zh) * 2017-09-29 2019-04-04 深圳市大疆创新科技有限公司 充电控制方法、设备和系统
CN107733023A (zh) * 2017-10-26 2018-02-23 东莞启益电器机械有限公司 可选择最大电流充电电路
CN107681749B (zh) * 2017-11-17 2020-06-05 杭州米大网络科技有限公司 移动端安全充电的识别方法和系统
CN111033928A (zh) * 2017-11-23 2020-04-17 深圳市柔宇科技有限公司 充电电路与电子装置
EP3721528A1 (en) * 2017-12-06 2020-10-14 Yazami Ip Pte. Ltd. Method and system for fast-charging an electrochemical cell and fast-charging controller implemented in this system
CN109936202B (zh) * 2017-12-18 2024-09-20 奥克斯空调股份有限公司 一种空调充电电路、充电控制方法以及具有该电路的空调
CN109981147A (zh) * 2017-12-28 2019-07-05 上海胤祺集成电路有限公司 磁耦合通信从芯片和磁耦合通信系统
KR102439971B1 (ko) * 2018-01-05 2022-09-05 엘지이노텍 주식회사 차량 제어 장치
CN108183537A (zh) * 2018-01-18 2018-06-19 深圳市集芯源电子科技有限公司 大功率电动车电池充电器
WO2019147557A1 (en) * 2018-01-23 2019-08-01 Iotecha Corp. Method and apparatus for charging a battery with ac power based on state of battery related information
CN111970089B (zh) * 2018-01-30 2024-05-14 上海朗帛通信技术有限公司 一种用于无线通信的通信节点中的方法和装置
JP2019161864A (ja) * 2018-03-13 2019-09-19 矢崎総業株式会社 パルス電力伝送装置
CN108448673B (zh) * 2018-03-29 2020-08-18 维沃移动通信有限公司 一种充电方法、移动终端和充电器
CN108711921B (zh) * 2018-04-16 2021-02-02 广州昂宝电子有限公司 用于电池充电的交流信号功率变换系统、充电系统及方法
CN108680863B (zh) * 2018-04-18 2020-05-22 星恒电源股份有限公司 一种锂离子电池最大充电电流的测量方法
MX2019014925A (es) * 2018-05-31 2020-02-13 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo de carga y aparato de carga.
CN108899893B (zh) * 2018-06-08 2021-01-01 科华恒盛股份有限公司 能馈式牵引供电装置的保护系统及轨道交通供电系统
WO2019237330A1 (zh) * 2018-06-15 2019-12-19 Oppo广东移动通信有限公司 待充电设备的适配器老化检测方法和装置
CN108521162B (zh) * 2018-06-15 2024-03-01 深圳市瑞晶实业有限公司 一种快速充电电路
US10852143B2 (en) * 2018-06-27 2020-12-01 Rohit Seth Motion sensor with drift correction
CN109037811B (zh) * 2018-06-27 2020-11-06 中航锂电（洛阳）有限公司 一种石墨负极体系锂离子电池的充电方法
CN108923512A (zh) * 2018-06-28 2018-11-30 珠海市魅族科技有限公司 一种电源适配器、充电系统及方法
CN110768315B (zh) * 2018-07-26 2023-11-17 西安中兴新软件有限责任公司 一种充电接口的保护方法及系统、存储介质
CN108964203A (zh) * 2018-08-13 2018-12-07 浙江特康电子科技有限公司 充电继电器的压差调节电路
WO2020035899A1 (ja) * 2018-08-13 2020-02-20 日本たばこ産業株式会社 香味生成システム、方法及びプログラム
CN110858752A (zh) * 2018-08-24 2020-03-03 浦登有限公司 电源适配器
CN109066938A (zh) * 2018-08-26 2018-12-21 楼夏春 多管脚双路跟随可调移动电源模块
CN108973758A (zh) * 2018-08-31 2018-12-11 金华安靠电源科技有限公司 一种电动汽车充电系统的充电识别方法及电动汽车充电电路
EP3672016B1 (en) * 2018-09-12 2022-12-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging management circuit, terminal and charging method
CN108988442A (zh) * 2018-09-17 2018-12-11 江苏万帮德和新能源科技股份有限公司 充电桩用电环境自适应算法及系统、充电桩
CN109217419B (zh) * 2018-09-21 2021-08-03 深圳市奥必赢科技有限公司 快速充电系统及方法
CN111247440A (zh) * 2018-09-29 2020-06-05 Oppo广东移动通信有限公司 一种适配器测试装置、方法及计算机存储介质
CN109148990B (zh) 2018-09-30 2020-12-01 Oppo广东移动通信有限公司 无线充电方法、电子设备、无线充电装置和无线充电系统
US11391786B2 (en) 2018-09-30 2022-07-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Test system and method for charging device
CN111030200B (zh) * 2018-10-10 2021-10-19 纬联电子科技(中山)有限公司 电子装置及其功率调整方法
KR102403478B1 (ko) * 2018-10-12 2022-05-30 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 충전 방법, 단말 및 컴퓨터 저장 매체
CN112970334B (zh) * 2018-10-29 2023-09-29 赤多尼科两合股份有限公司 用于灯的电源
CN109301903B (zh) * 2018-11-01 2024-09-17 Oppo广东移动通信有限公司 充电控制装置、方法以及计算机存储介质
CN110896680A (zh) * 2018-11-22 2020-03-20 深圳市大疆创新科技有限公司 充电控制方法、充电器及充电控制系统
WO2020111998A1 (en) * 2018-11-27 2020-06-04 Husqvarna Ab Battery charger with a plurality of secondary transformer circuits
CN111257792B (zh) * 2018-11-30 2022-06-07 中兴通讯股份有限公司 有源器件的检测和保护电路、供电电路及供电方法
CN110007621B (zh) * 2018-12-07 2021-08-31 杭州朗泽安防技术有限公司 一种用于商品安全的触碰式控制系统、控制装置及监控装置
CN109617178A (zh) * 2018-12-27 2019-04-12 深圳市中孚能电气设备有限公司 一种充电设备及用电设备
GB201900827D0 (en) * 2019-01-21 2019-03-13 British American Tobacco Investments Ltd Tobacco industy product and methods relating to tobacco industry products
US10996276B2 (en) * 2019-01-25 2021-05-04 Dell Products, L.P. Host illumination of indicators of an AC adapter
CN109950946B (zh) * 2019-01-29 2023-12-15 苏州智浦芯联电子科技股份有限公司 离线式单边稳压控制系统的跳频控制电路
CN111596115B (zh) 2019-02-01 2022-09-13 群光电能科技股份有限公司 电阻补偿测量输出电流的方法及其转换电路
TWI723533B (zh) * 2019-02-01 2021-04-01 群光電能科技股份有限公司 零電壓切換返馳式電源轉換裝置及零電壓切換返馳式電源轉換方法
CN109904913B (zh) * 2019-03-20 2021-01-15 深圳市创芯微微电子有限公司 一种充电设备及其快速充电电路
CN109995107B (zh) * 2019-03-29 2022-07-26 联想(北京)有限公司 一种检测装置
AT522519B1 (de) * 2019-04-17 2021-06-15 Avl List Gmbh Verfahren zum Schutz einer Elektrode einer Batterievorrichtung
CN111864818B (zh) * 2019-04-28 2022-06-14 Oppo广东移动通信有限公司 充电控制电路、方法、充电接收电路和分体式电子设备
CN113574762B (zh) * 2019-05-07 2024-08-27 Oppo广东移动通信有限公司 充电电流控制方法、电子设备和电源提供装置
JP7251351B2 (ja) * 2019-06-24 2023-04-04 富士電機株式会社 ゲート駆動装置及び電力変換装置
CN110308322B (zh) * 2019-06-29 2021-07-23 杭州涂鸦信息技术有限公司 一种计算电源适配器电量的方法
TWI707521B (zh) * 2019-07-01 2020-10-11 飛宏科技股份有限公司 智慧型交流/直流最大功率電池充電管理方法
CN110350619B (zh) * 2019-07-09 2021-09-28 Oppo（重庆）智能科技有限公司 充电控制方法、装置、终端及存储介质
CN110417101B (zh) * 2019-08-02 2024-10-01 矽力杰半导体技术(杭州)有限公司 电池充电电路和电池充电方法
CN110601287B (zh) * 2019-08-29 2023-12-08 惠州华阳通用电子有限公司 一种车机usb充电模式控制方法
US10855187B1 (en) * 2019-09-06 2020-12-01 Dialog Semiconductor Inc. Dynamic discharge current control for improving power supply output regulation
CN110676898B (zh) * 2019-09-16 2023-06-02 Oppo广东移动通信有限公司 待充电设备
CN110441592B (zh) * 2019-09-17 2024-05-07 贵州电网有限责任公司 一种gis用电子式互感器采集单元的采样预警系统和方法
CN110635546B (zh) * 2019-09-18 2021-11-30 华为数字能源技术有限公司 一种无线充电的电子设备、方法及系统
TWI752360B (zh) * 2019-10-09 2022-01-11 盈正豫順電子股份有限公司 具寬電壓範圍之雙向隔離式多階直流-直流電能轉換裝置及其方法
CN110581651B (zh) * 2019-10-12 2020-09-08 无锡芯朋微电子股份有限公司 高度集成的开关电源及控制电路
EP3808508A1 (de) * 2019-10-16 2021-04-21 Hilti Aktiengesellschaft Adapter
US11407327B1 (en) 2019-10-17 2022-08-09 Veritone Alpha, Inc. Controlling ongoing usage of a battery cell having one or more internal supercapacitors and an internal battery
CN112803510B (zh) * 2019-11-13 2023-10-24 Oppo广东移动通信有限公司 充电控制方法及装置、电子设备及计算机存储介质
CN112824999B (zh) * 2019-11-20 2022-04-22 Oppo广东移动通信有限公司 温度控制方法及相关产品
CN112952925B (zh) * 2019-11-26 2024-06-28 康舒科技股份有限公司 具有多组宽范围电压输出的电源供应装置及其控制方法
CN111009942A (zh) * 2019-12-10 2020-04-14 深圳供电局有限公司 智能充电系统及其控制方法
CN114616738B (zh) 2019-12-13 2025-08-05 Oppo广东移动通信有限公司 适配器和充电方法
CN111186333B (zh) * 2019-12-25 2021-08-13 深圳猛犸电动科技有限公司 电动车充电识别方法、装置、终端设备及存储介质
WO2021138821A1 (zh) 2020-01-07 2021-07-15 Oppo广东移动通信有限公司 适配器和控制方法
CN113193608B (zh) * 2020-01-14 2025-02-25 Oppo广东移动通信有限公司 无线充电设备
US11251645B2 (en) * 2020-01-24 2022-02-15 Dell Products, L.P. Multimode USB-C power transmission and conversion supporting improved battery charging
CN113394989B (zh) * 2020-03-12 2023-08-08 Oppo广东移动通信有限公司 电源转换装置及充电控制方法
CN113394859A (zh) 2020-03-12 2021-09-14 Oppo广东移动通信有限公司 电源提供装置及充电控制方法
CN211579860U (zh) 2020-04-03 2020-09-25 台达电子企业管理（上海）有限公司 电源适配器
CN113497564B (zh) 2020-04-03 2023-08-18 台达电子企业管理（上海）有限公司 电源适配器及其控制方法
CN113497568A (zh) * 2020-04-03 2021-10-12 台达电子企业管理（上海）有限公司 一种电源适配器
US11616449B2 (en) 2020-04-03 2023-03-28 Delta Electronics (Shanghai) Co., Ltd Power adapter
CN113765165A (zh) * 2020-06-03 2021-12-07 北京小米移动软件有限公司 充电接口及充电接口的保护方法、保护装置及存储介质
CN111817703B (zh) * 2020-06-03 2023-04-14 南京英锐创电子科技有限公司 特定编码信号的检测电路
TWI730802B (zh) * 2020-06-05 2021-06-11 安沛科技股份有限公司 充電裝置的控制系統及其方法
CN111917122B (zh) * 2020-06-30 2023-04-18 利天万世(上海)能源科技有限公司 通信基站的削峰填谷电源控制方法
CN111769614B (zh) * 2020-07-09 2025-02-21 昂宝电子（上海）有限公司 快充系统的检测电路及方法、快充协议电路和快充系统
CN113922434B (zh) * 2020-07-10 2025-02-11 Oppo广东移动通信有限公司 电源提供装置及充电控制方法
CN113922431B (zh) * 2020-07-10 2024-07-16 Oppo广东移动通信有限公司 电源提供装置及充电控制方法
CN113922679B (zh) * 2020-07-10 2026-01-06 Oppo广东移动通信有限公司 电源适配器
US11567551B2 (en) 2020-07-28 2023-01-31 Rohde & Schwarz Gmbh & Co. Kg Adaptive power supply
JP7436317B2 (ja) * 2020-07-29 2024-02-21 日立建機株式会社 電動作業機械
CN114070105B (zh) * 2020-08-05 2025-08-22 深圳市芯茂微电子有限公司 正激恒流控制装置、开关电源、控制方法及芯片
CN112003344B (zh) * 2020-08-14 2022-06-10 Oppo广东移动通信有限公司 充电控制方法和装置、充电系统和存储介质
CN114391206B (zh) * 2020-08-17 2024-03-01 华为数字能源技术有限公司 一种充电电路、终端设备、适配器、充电系统及方法
TWI740615B (zh) * 2020-08-19 2021-09-21 僑威科技股份有限公司 行動電子裝置之快充式充電裝置
CN112117798A (zh) * 2020-09-10 2020-12-22 深圳市蓝晨科技股份有限公司 一种笔记本电脑usb接口的关机充电电路
CN112234850B (zh) 2020-09-30 2023-01-06 Oppo广东移动通信有限公司 电源提供装置、电路控制方法及供电系统
CN112345821B (zh) * 2020-10-10 2023-03-21 无锡芯朋微电子股份有限公司 一种市电电压检测电路及应用该电路的开关电源系统
CN112448601A (zh) 2020-11-12 2021-03-05 Oppo广东移动通信有限公司 电源提供装置、电路控制方法及供电系统
CN112350567A (zh) 2020-11-12 2021-02-09 Oppo广东移动通信有限公司 一种供电电源、电源提供方法及计算机存储介质
KR20220065993A (ko) 2020-11-14 2022-05-23 신양하 고정 케이블 어댑터
CN112445259B (zh) * 2020-11-17 2022-10-11 长春捷翼汽车零部件有限公司 电源稳压输出调节装置、方法及系统
CN114520524B (zh) * 2020-11-19 2025-05-13 Oppo广东移动通信有限公司 电源提供装置、电源提供方法以及电源提供系统
CN112485673B (zh) * 2020-11-19 2022-04-08 哈尔滨工业大学（威海） 一种基于动态多安全约束的电池充放电峰值功率预测方法
TWI808547B (zh) * 2020-11-26 2023-07-11 洪笙科技股份有限公司 智能調配輸出電壓的強化電源供應裝置及電源供應方法
CN112636597B (zh) * 2020-12-03 2022-03-22 成都芯源系统有限公司 电源管理电路和集成电路及其过流保护方法
CN112636418A (zh) * 2020-12-11 2021-04-09 重庆蓝岸通讯技术有限公司 一种充电系统、充电方法、移动终端及充电器
CN114696433B (zh) * 2020-12-14 2025-04-15 Oppo广东移动通信有限公司 充电电路、电源适配器和充电系统
CN112670622A (zh) * 2020-12-22 2021-04-16 山东大学 一种基于恒流恒压充放电的低温锂离子电池交流预热方法
US12278510B2 (en) 2020-12-22 2025-04-15 Emerson Professional Tools, Llc Charge adapter for power tools
EP4195445A4 (en) 2020-12-23 2024-04-17 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE FOR CHARGING A BATTERY BASED ON THE VOLTAGE OF AN INTERFACE AND METHOD FOR CONTROLLING THE SAME
CN114690877A (zh) * 2020-12-25 2022-07-01 华为技术有限公司 一种供电装置、方法、存储介质和笔记本电脑
CN112721680B (zh) * 2020-12-25 2023-04-18 中国第一汽车股份有限公司 一种电流控制方法、装置、车辆及存储介质
CN114094647B (zh) * 2020-12-29 2022-11-11 荣耀终端有限公司 一种电芯的连接状态切换方法、电源系统和电子设备
CN112803519A (zh) * 2020-12-31 2021-05-14 安克创新科技股份有限公司 一种充电控制电路和充电设备
CN112821482B (zh) * 2020-12-31 2023-06-30 维沃移动通信有限公司 充电器
CN112910036B (zh) * 2021-01-21 2022-08-09 重庆新源创实业有限公司 一种充电控制方法、装置和系统
CN112910484B (zh) * 2021-01-21 2023-02-28 睿高(广州)通信技术有限公司 机载功放设备通信端口防雷系统
CN112736860B (zh) * 2021-01-25 2023-04-07 深圳慧能泰半导体科技有限公司 Usb线缆的故障保护电路及其usb线缆
CN112821508B (zh) * 2021-02-04 2024-04-23 北京小米移动软件有限公司 充电方法、装置以及存储介质
CN112803794A (zh) * 2021-02-25 2021-05-14 Oppo广东移动通信有限公司 电源适配器、供电系统及供电方法
CN113064478A (zh) * 2021-03-11 2021-07-02 Oppo广东移动通信有限公司 电源适配器、受电设备及通信控制系统
CN113036859B (zh) * 2021-03-15 2024-07-16 Oppo广东移动通信有限公司 电源提供装置、电源提供方法以及电源提供系统
CN112986803A (zh) 2021-03-15 2021-06-18 深圳慧能泰半导体科技有限公司 一种故障检测电路与方法、电源适配器及电子设备
CN113013957B (zh) * 2021-04-12 2025-06-13 维沃移动通信有限公司 充电方法、装置、设备及可读存储介质
CN113113948B (zh) * 2021-04-12 2025-01-03 Oppo广东移动通信有限公司 电源提供装置、电源提供方法以及电源提供系统
CN112803085B (zh) * 2021-04-13 2021-08-10 珠海朗尔电气有限公司 智慧电池
CN113131592A (zh) * 2021-04-16 2021-07-16 维沃移动通信有限公司 充电装置、充电控制方法和充电控制装置、存储介质
CN112953195B (zh) * 2021-04-16 2022-11-29 维沃移动通信有限公司 充电装置、充电控制方法、充电控制装置和可读存储介质
US11539286B2 (en) * 2021-04-21 2022-12-27 Quanta Computer Inc. Clamping circuit
CN113078718A (zh) * 2021-05-11 2021-07-06 金华卓远实业有限公司 一种新型充电电路及其控制方法
CN113489079B (zh) * 2021-05-25 2022-07-22 荣耀终端有限公司 终端设备和充电系统
DE102021113937A1 (de) * 2021-05-29 2022-12-01 Bos Balance Of Storage Systems Ag Energiesystem
CN113212223A (zh) * 2021-06-02 2021-08-06 西安星源博睿新能源技术有限公司 充电装置
KR102434036B1 (ko) * 2021-06-17 2022-08-19 삼성전자주식회사 보조 전원 장치의 수명을 위한 충전 전압 제어 방법 및 이를 수행하는 스토리지 장치
US12444972B2 (en) 2021-06-18 2025-10-14 Samsung Electronics Co., Ltd. Power charging system and power charging method using adapter with built-in battery
CN113497550B (zh) * 2021-06-21 2022-06-03 成都天通电子科技有限公司 一种ac-dc电源开机浪涌电流的控制电路
CN115579971A (zh) * 2021-06-21 2023-01-06 北京小米移动软件有限公司 充电控制方法、装置以及电子设备、存储介质
CN113335092B (zh) * 2021-06-26 2025-11-18 深圳欣锐科技股份有限公司 车载充电装置及车辆
CN113691136B (zh) * 2021-07-30 2022-08-09 科华数据股份有限公司 一种变换电路的控制方法及控制装置
US12424864B2 (en) 2021-08-06 2025-09-23 Microsoft Technology Licensing, Llc Power supply unit charging modes
CN113612297B (zh) * 2021-09-09 2023-07-25 江西百盈高新技术股份有限公司 一种用单片机控制同步整流充电控制电路
CN113541276B (zh) * 2021-09-15 2021-12-07 深圳市沃特沃德信息有限公司 充电自调整方法、装置和计算机设备
US11923711B2 (en) * 2021-10-14 2024-03-05 Amogy Inc. Power management for hybrid power system
DE102021212799A1 (de) 2021-11-15 2023-05-17 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Laden oder Entladen eines wechselbaren Energiespeichers mittels eines Elektrogeräts sowie System mit einem wechselbaren Energiespeicher und einem Elektrogerät zur Durchführung des Verfahrens
CN114242403B (zh) * 2021-11-15 2024-06-18 南京矽力微电子技术有限公司 功率变换器，以及电感结构
CN114268151A (zh) * 2021-12-24 2022-04-01 苏州汇川控制技术有限公司 备用电源充电电路、装置及方法
US20230322067A1 (en) * 2021-12-27 2023-10-12 Jeremy Richard Walker EV Trailer Auxiliary Rechargeable Battery Storage System
TWI779995B (zh) 2022-01-26 2022-10-01 台達電子工業股份有限公司 充電裝置及其充電操作方法
CN114498835B (zh) * 2022-01-26 2025-07-22 广东汇天航空航天科技有限公司 充电电池的充电控制系统、方法及车辆
JP7777383B2 (ja) * 2022-02-24 2025-11-28 パナソニックオートモーティブシステムズ株式会社 充電システム
TWI807862B (zh) * 2022-06-15 2023-07-01 新盛力科技股份有限公司 應用於電池模組之保護開關上的驅動電路
US12515549B2 (en) * 2022-07-12 2026-01-06 Zhejiang Safemate Automotive Safety & Emergency Technology Co., Ltd. Automobile charger, charging method and medium
CN115149618A (zh) * 2022-07-25 2022-10-04 Oppo广东移动通信有限公司 充电控制方法、充电电路、电子设备和存储介质、产品
CN115173710A (zh) * 2022-07-27 2022-10-11 成都芯源系统有限公司 隔离式开关变换器及其控制器和控制方法
CN115241549B (zh) * 2022-07-29 2024-11-19 南昌逸勤科技有限公司 电池的放电控制方法、装置及存储介质
CN117674321A (zh) * 2022-08-22 2024-03-08 华为技术有限公司 供电方法、可读介质和电子设备
JP7597090B2 (ja) * 2022-09-07 2024-12-10 株式会社豊田中央研究所 リチウムイオン電池の分極抑制装置
CN115378094A (zh) * 2022-09-07 2022-11-22 维沃移动通信有限公司 电子设备、充电设备及充电控制方法
CN115378096A (zh) * 2022-09-13 2022-11-22 岱昆半导体(上海)有限公司 一种动态恒流升压充电电路及其充电方法
GB2634160A (en) * 2022-11-07 2025-04-02 Cirrus Logic Int Semiconductor Ltd A combined sensing and heating module
CN115586366B (zh) * 2022-11-17 2023-03-10 中国工程物理研究院电子工程研究所 引信高压充电过程中的稳态工作平均峰值电流计算方法
CN115986880B (zh) * 2023-01-06 2024-05-10 铁塔能源有限公司 一种充电方法及充电电路
CN116131219B (zh) * 2023-02-16 2023-06-30 恩赛半导体(成都)有限公司 一种过压保护电路和电子装置
CN115940616B (zh) * 2023-03-10 2023-05-09 深圳市澳博森科技有限公司 电源适配器自动过热保护方法、装置和智能电源适配器
CN116365886B (zh) * 2023-03-10 2024-04-12 深圳麦格米特电气股份有限公司 双向dc/dc变换器及储能设备
CN119210156A (zh) * 2023-06-27 2024-12-27 成都芯源系统有限公司 一种电源电压控制电路及其控制方法
CN116699296B (zh) * 2023-08-08 2023-10-31 辰芯半导体（深圳）有限公司 负载检测电路和电子设备
CN116930671B (zh) * 2023-09-19 2023-11-21 成都光创联科技有限公司 一种用于电流驱动光器件性能测试的电路和方法
CN117578359B (zh) * 2024-01-11 2024-04-26 深圳市新源鑫电器有限公司 电源适配器的自动过温过压保护装置及方法
CN118137428B (zh) * 2024-05-10 2024-07-12 深圳市德兰明海新能源股份有限公司 过流保护电路及反激式开关电源
CN118971306B (zh) * 2024-08-05 2025-08-19 湖南大学 集成超级电容储能的脉冲负荷供电系统及其功率控制方法
CN119362663B (zh) * 2024-12-26 2025-05-16 南京中孚信息技术有限公司 一种大电流充电电路及其使用方法
CN119482878B (zh) * 2025-01-15 2025-08-08 深圳市龙星辰电源有限公司 一种自适应电源适配器及其调节方法
CN120074186B (zh) * 2025-04-21 2025-09-12 深圳市贵锦科技有限公司 一种电源电路及电源适配器

Citations (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087733A (en) 1975-07-25 1978-05-02 Controlled Systems (Windsor) Limited Battery charger
JPS61244267A (ja) 1985-04-18 1986-10-30 Nec Corp 電源回路
US5122722A (en) 1991-01-17 1992-06-16 Motorola, Inc. Battery charging system
JPH05103430A (ja) 1991-10-07 1993-04-23 Murata Mfg Co Ltd バツテリ充電回路
US5568039A (en) 1994-12-16 1996-10-22 Motorola, Inc. Apparatus and method of providing an initiation voltage to a rechargeable battery system
JPH0917454A (ja) 1995-06-28 1997-01-17 Yamaha Motor Co Ltd ２次電池の充電方法
JPH11332238A (ja) 1998-05-19 1999-11-30 Sanyo Electric Co Ltd 電源装置
US6025695A (en) 1997-07-09 2000-02-15 Friel; Daniel D. Battery operating system
US6137265A (en) 1999-01-11 2000-10-24 Dell Usa, L.P. Adaptive fast charging of lithium-ion batteries
JP2002027604A (ja) 2000-07-05 2002-01-25 Nippon Yusoki Co Ltd バッテリフォークリフトの充電安全装置
US6351402B1 (en) 2000-09-29 2002-02-26 Compaq Information Technologies Group, L.P. AC adapter with current driven, zero-voltage switched synchronous rectifier
US20040021444A1 (en) 2002-08-02 2004-02-05 Dialog Semiconductor Gmbh. Digital controlled charge current regulator
US20040090209A1 (en) 2001-09-14 2004-05-13 Junji Nishida Charging circuit for secondary battery
US20040263119A1 (en) * 2002-11-22 2004-12-30 Meyer Gary D. Method and system for battery charging
US6909617B1 (en) 2004-01-22 2005-06-21 La Marche Manufacturing Co. Zero-voltage-switched, full-bridge, phase-shifted DC-DC converter with improved light/no-load operation
TW200616305A (en) 2004-11-12 2006-05-16 Niko Semiconductor Co Ltd Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency
US20060132102A1 (en) 2004-11-10 2006-06-22 Harvey Troy A Maximum power point tracking charge controller for double layer capacitors
US20060284595A1 (en) 2005-06-17 2006-12-21 Kuan-Hong Hsieh Charging mode control circuit and method
US20070076443A1 (en) * 2005-09-30 2007-04-05 Sony Corporation Switching power supply circuit
JP2008136278A (ja) 2006-11-27 2008-06-12 Matsushita Electric Works Ltd 充電器
US20080197811A1 (en) 2007-02-16 2008-08-21 O2Micro Inc. Circuits and methods for battery charging
CN101635470A (zh) 2009-08-19 2010-01-27 王广生 一种节电型蓄电池快速充电器及智能化充电方法
JP2010110055A (ja) 2008-10-28 2010-05-13 Panasonic Electric Works Co Ltd 電気自動車用充電ケーブル
US20100188052A1 (en) 2009-01-23 2010-07-29 Asustek Computer Inc Charge Device
US20100195355A1 (en) * 2009-02-03 2010-08-05 Iwatt Inc. Switching power converter with load impedance detection
EP2228884A2 (en) 2009-03-12 2010-09-15 O2 Micro, Inc. Circuits and methods for battery charging
US20100289451A1 (en) 2009-05-15 2010-11-18 Battelle Memorial Institute Battery Charging Control Methods, Electric Vehicle Charging Methods, Battery Charging Apparatuses And Rechargeable Battery Systems
CN202026118U (zh) 2011-05-17 2011-11-02 李秉哲 防止蓄电池过量充电的充电装置
JP2011223800A (ja) 2010-04-13 2011-11-04 Minebea Co Ltd スイッチング電源回路
US20110285360A1 (en) * 2010-03-25 2011-11-24 Hui-Nan Lin Energy-Saving Charger
CN102364856A (zh) 2011-06-30 2012-02-29 成都芯源系统有限公司 开关电源及其空载控制电路和控制方法
US20120075891A1 (en) * 2008-10-21 2012-03-29 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation
CN102545360A (zh) 2012-02-09 2012-07-04 刘德军 电动车蓄电池智能充电器
WO2012167677A1 (zh) 2011-06-09 2012-12-13 中兴通讯股份有限公司 一种通过usb接口通信并为外部设备充电的装置及方法
CN202651863U (zh) 2012-06-28 2013-01-02 华为终端有限公司 充电器及充电系统
US20130141034A1 (en) 2011-12-02 2013-06-06 Golden Crown New Energy (Hk) Limited Charging management system and charger with the same
JP2013198262A (ja) 2012-03-19 2013-09-30 Renesas Electronics Corp 充電装置
US20130257160A1 (en) 2012-04-03 2013-10-03 Microsoft Corporation Transformer Coupled Current Capping Power Supply Topology
US20130300375A1 (en) 2012-05-14 2013-11-14 Qualcomm Incorporated Systems and methods for high power factor charging
JP5454781B2 (ja) 2010-01-15 2014-03-26 株式会社ダイフク 鉛蓄電池の充電装置
CN103762702A (zh) 2014-01-28 2014-04-30 广东欧珀移动通信有限公司 电子设备充电装置及其电源适配器
CN103795040A (zh) 2014-01-28 2014-05-14 广东欧珀移动通信有限公司 电子设备及其电源适配器
US20140159641A1 (en) 2012-12-07 2014-06-12 Motorola Solutions, Inc. Method and apparatus for charging batteries having different voltage ranges with a single conversion charger
TWM481439U (zh) 2014-03-14 2014-07-01 San-Shan Hong 交換式電源供應器及其保護裝置
CN203747451U (zh) 2014-01-28 2014-07-30 广东欧珀移动通信有限公司 电池充电装置
CN203827185U (zh) 2014-05-07 2014-09-10 昂宝电子（上海）有限公司 兼容多种通信指令和支持多级升降压的开关电源电路
US20140268919A1 (en) 2013-03-13 2014-09-18 Iwatt Inc. Switching power converter with secondary to primary messaging
JP2014220876A (ja) 2013-05-02 2014-11-20 株式会社ブリッジ・マーケット 電子トランス
US20150180356A1 (en) * 2013-12-24 2015-06-25 Panasonic Intellectual Property Management Co., Ltd. Electric power converter
US20150180244A1 (en) 2013-12-23 2015-06-25 Samsung Electronics Co., Ltd. Method and apparatus for charging a battery
CN104810873A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 电子设备充电控制装置及方法
CN104810877A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 电池充电装置及方法
CN104810879A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 快速充电方法和系统
CN104917271A (zh) 2015-06-19 2015-09-16 李�昊 一种适配器
CN104917269A (zh) 2014-03-11 2015-09-16 登腾电子股份有限公司 智能电源转接器及其供电控制方法
CN104917267A (zh) 2015-06-05 2015-09-16 凤冠电机（深圳）有限公司 兼容mtk及qc2.0充电方案的二合一充电电路
DE102015104429A1 (de) 2014-03-26 2015-10-01 Infineon Technologies Austria Ag System und Verfahren für eine getaktete Leistungsversorgung
CN104967199A (zh) 2015-08-05 2015-10-07 青岛海信移动通信技术股份有限公司 快速充电方法及移动终端
CN104967201A (zh) 2015-08-05 2015-10-07 青岛海信移动通信技术股份有限公司 快速充电方法、移动终端及可直充电源适配器
US9158325B1 (en) * 2014-04-22 2015-10-13 Infineon Technologies Ag Cable quality detection and power consumer devices
EP2930589A1 (en) 2014-04-09 2015-10-14 BlackBerry Limited A device, system and method for charging a battery
CN104993182A (zh) 2015-08-05 2015-10-21 青岛海信移动通信技术股份有限公司 一种移动终端、可直充电源适配器及充电方法
JP5822304B2 (ja) 2012-03-26 2015-11-24 ニチコン株式会社 充電装置
CN105098945A (zh) 2015-08-05 2015-11-25 青岛海信移动通信技术股份有限公司 一种可直充电源适配器
CN204858705U (zh) 2015-08-13 2015-12-09 深圳市龙威盛电子科技有限公司 手机充电器
EP2980958A1 (en) 2014-07-31 2016-02-03 Samsung Electronics Co., Ltd Charging control method and electronic device for supporting the same
US20160087540A1 (en) 2014-09-18 2016-03-24 Sync Power Corp. System for information feedback through isolation in power converters
WO2016043099A1 (ja) 2014-09-18 2016-03-24 Ntn株式会社 充電装置
US20160268834A1 (en) 2014-01-08 2016-09-15 Mediatek Inc. Wireless power receiver with dynamically configurable power path
US20160359403A1 (en) * 2015-06-05 2016-12-08 Power Integrations Limited Bjt driver with dynamic adjustment of storage time versus input line voltage variations
US20170271897A1 (en) * 2014-12-31 2017-09-21 Huawei Technologies Co., Ltd. Charging protection method and apparatus
US20180034293A1 (en) 2016-02-05 2018-02-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter

Family Cites Families (320)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU426290A2 (ru) * 1972-04-26 1974-04-30 И. М. Киен Ю. Д. Виницкий Устройство для управления тиристорами
US3974660A (en) * 1974-07-01 1976-08-17 Tecumseh Products Company Power supply for refrigeration units
US4010410A (en) 1975-04-09 1977-03-01 Progressive Dynamics, Inc. Recreational vehicle converter-battery fast charging circuit
JPS5282875A (en) * 1975-12-30 1977-07-11 Matsushita Electric Works Ltd Alarm-including charging apparatus for emergency lamps
JPS5454781A (en) 1977-10-07 1979-05-01 Koatsu Kako Device for discharging in paper container
US4354148A (en) * 1979-04-18 1982-10-12 Sanyo Electric Co., Ltd. Apparatus for charging rechargeable battery
US4242713A (en) 1979-10-25 1980-12-30 Goodrich Edward W Triac output asymmetry detector
JPS5822304B2 (ja) 1979-12-06 1983-05-07 東芝機械株式会社 両頭平面研削盤におけるワ−ク送り込み装置
JPS57192738U (da) 1981-06-02 1982-12-07
JPS5822304A (ja) 1981-08-03 1983-02-09 Toshiba Tungaloy Co Ltd 粉末冶金の原料粉末用成形助剤
DE3303223A1 (de) * 1983-02-01 1984-08-09 Silcon Elektronik As Stromversorgungsvorrichtung
JPS60221974A (ja) 1984-04-18 1985-11-06 Sanyo Electric Co Ltd 亜鉛アルカリ二次電池の充電方式
US6075340A (en) * 1985-11-12 2000-06-13 Intermec Ip Corp. Battery pack having memory
JPS6289431A (ja) * 1985-10-15 1987-04-23 株式会社マキタ 急速充電式電池の充電回路
US5614802A (en) * 1987-02-13 1997-03-25 Nilssen; Ole K. Frequency, voltage and waveshape converter for a three phase induction motor
US4763045A (en) * 1987-05-04 1988-08-09 Bang H. Mo Spark ignitor generated by capacitor discharge synchronized with alternate current power frequency
JPH01117666A (ja) * 1987-10-29 1989-05-10 Fuji Electric Co Ltd マグネット励磁用サイリスタ整流器の直流平滑回路
JPH01170330A (ja) * 1987-12-25 1989-07-05 Nec Corp 充電装置
JPH0274127A (ja) * 1988-09-10 1990-03-14 Matsushita Electric Works Ltd 充電制御回路
CN1016657B (zh) * 1988-11-10 1992-05-13 赵宗哲 动态跟踪智能化快速充电机
JPH0720371B2 (ja) * 1989-05-31 1995-03-06 サンケン電気株式会社 直流電源装置
JPH03189569A (ja) * 1989-12-20 1991-08-19 Toshiba Corp 電圧測定装置
JP2646824B2 (ja) 1990-09-28 1997-08-27 富士通株式会社 電源装置
JPH04299070A (ja) * 1991-03-26 1992-10-22 Hitachi Ltd スイッチングレギュレータ
US5382893A (en) 1991-05-16 1995-01-17 Compaq Computer Corporation Maximum power regulated battery charger
US5227712A (en) * 1991-06-26 1993-07-13 Motorola, Inc. Power supply for a battery charger
CN2098113U (zh) * 1991-07-17 1992-03-04 杭州内河航运公司 蓄电池快速充电器
JPH0549182A (ja) * 1991-08-08 1993-02-26 Sharp Corp 組電池の充電装置
US5214369A (en) * 1991-12-30 1993-05-25 The Charles Machine Works, Inc. Universal battery charger
JPH0646535A (ja) * 1992-05-22 1994-02-18 Tamura Seisakusho Co Ltd 充電器
JP3430264B2 (ja) 1992-06-23 2003-07-28 ソニー株式会社 充電装置
US5614805A (en) * 1992-11-19 1997-03-25 Tokin Corporation Method and apparatus for charging a secondary battery by supplying pulsed current as charging current
JPH06165407A (ja) * 1992-11-24 1994-06-10 Toyonori Akiba スイッチングコンバータ式充電器
JP2702048B2 (ja) * 1992-12-28 1998-01-21 株式会社日本プロテクター販売 無停電性スイッチングレギュレータ
GB9408056D0 (en) * 1994-04-22 1994-06-15 Switched Reluctance Drives Ltd A control circuit for an inductive load
JPH0865904A (ja) * 1994-06-06 1996-03-08 Nippondenso Co Ltd 電気自動車用充電装置
CN2227383Y (zh) * 1994-12-22 1996-05-15 何录顺 无线寻呼机蓄电池充电器
JPH08196044A (ja) * 1995-01-17 1996-07-30 Sony Corp 充電器
US5742491A (en) 1995-08-09 1998-04-21 Lucent Technologies Inc. Power converter adaptively driven
JPH09233725A (ja) * 1996-02-20 1997-09-05 Brother Ind Ltd 急速充電回路
JP3508384B2 (ja) * 1996-04-05 2004-03-22 ソニー株式会社 バッテリ充電装置及び方法、並びにバッテリパック
US5764495A (en) 1996-05-01 1998-06-09 Compaq Computer Corporation Variable-frequency variable-input-voltage converter with minimum frequency limit
JPH10136573A (ja) * 1996-10-28 1998-05-22 Sanyo Electric Co Ltd 電動車両の充電システム
WO1998040961A2 (en) * 1997-03-12 1998-09-17 Koninklijke Philips Electronics N.V. A convertor, a power supply, and a battery charger
JP3038652B2 (ja) * 1997-05-28 2000-05-08 日本電気株式会社 無停電電源装置
JP3338341B2 (ja) 1997-08-29 2002-10-28 三洋電機株式会社 酸素吸収剤及びその再生方法
JPH11283777A (ja) * 1998-03-31 1999-10-15 Toshiba Lighting & Technology Corp 放電ランプ点灯装置、放電ランプ装置および機器
JPH11289766A (ja) * 1998-04-03 1999-10-19 Toshiba Ave Co Ltd 電源装置
US5956242A (en) 1998-06-29 1999-09-21 Philips Electronics North America Corporation Switched-mode power supply having a sample-and-hold circuit with improved sampling control
CN1079603C (zh) * 1998-08-20 2002-02-20 苏永贵 组合脉冲充电方法
US6025999A (en) 1998-11-12 2000-02-15 Lucent Technologies Inc. Dual output power supply and method of operation thereof
JP2000201482A (ja) 1998-12-28 2000-07-18 T K R:Kk Ａｃ／ｄｃコンバ―タ
KR20010006576A (ko) * 1999-01-18 2001-01-26 가나이 쓰도무 전력축적수단의 충방전장치 및 그것을 사용한전력축적수단의 제조방법
JP2000275282A (ja) 1999-03-26 2000-10-06 Mitsubishi Electric Corp ワンチップ極値検出装置
IL133133A0 (en) 1999-11-25 2001-03-19 Drenkrum Ltd An improved switching power supply method and apparatus for efficient parallel connection of the improved power supplies
JP2001169471A (ja) * 1999-12-02 2001-06-22 Toshiba Battery Co Ltd 二次電池装置
US6288919B1 (en) 1999-12-16 2001-09-11 Chippower.Com, Inc. Single stage AC/DC converter high frequency AC distribution systems
JP2001186683A (ja) * 1999-12-27 2001-07-06 Sanyo Electric Co Ltd 電池の急速充電方法
CN2427918Y (zh) * 2000-01-26 2001-04-25 北京理工大学 新型快速脉冲充电器
US6456511B1 (en) * 2000-02-17 2002-09-24 Tyco Electronics Corporation Start-up circuit for flyback converter having secondary pulse width modulation
JP2001286070A (ja) * 2000-03-31 2001-10-12 Sony Corp 充電装置および充電制御方法
DE10115279A1 (de) * 2000-03-31 2001-10-18 Toshiba Lighting & Technology Entladungslampenlicht und Leuchteinrichtung hierfür
US6459237B1 (en) * 2000-06-13 2002-10-01 Hewlett-Packard Company Battery charger apparatus and method
CN1168210C (zh) * 2000-06-27 2004-09-22 百利通电子(上海)有限公司 红外线感应照明灯电子开关
JP3486603B2 (ja) 2000-07-06 2004-01-13 Ｔｄｋ株式会社 電源装置
CN1336710A (zh) * 2000-08-01 2002-02-20 苏永贵 正负脉冲组合充电电路
JP3574394B2 (ja) * 2000-10-02 2004-10-06 シャープ株式会社 スイッチング電源装置
JP2002125326A (ja) 2000-10-12 2002-04-26 Honda Motor Co Ltd バッテリの充電制御方法
WO2002035618A1 (en) * 2000-10-20 2002-05-02 Rayovac Corporation Method and apparatus for regulating charging of electrochemical cells
CN1343032A (zh) * 2000-12-16 2002-04-03 蒋冠珞 自生反向脉冲的脉冲电路
CN2464002Y (zh) * 2000-12-16 2001-12-05 蒋冠珞 自生反向脉冲的快速充电机
JP2002218749A (ja) 2001-01-19 2002-08-02 Sony Corp スイッチング電源装置
JP4167811B2 (ja) 2001-03-05 2008-10-22 Ｔｄｋ株式会社 スイッチング電源装置
JP3714882B2 (ja) * 2001-03-16 2005-11-09 シャープ株式会社 携帯型通信端末充電システム
US6414465B1 (en) * 2001-06-22 2002-07-02 France/Scott Fetzer Company Method and apparatus for charging a lead acid battery
US6664762B2 (en) * 2001-08-21 2003-12-16 Power Designers, Llc High voltage battery charger
US6803746B2 (en) * 2001-11-02 2004-10-12 Aker Wade Power Technologies, Llc Fast charger for high capacity batteries
JP2003259567A (ja) * 2002-03-06 2003-09-12 Fuji Electric Co Ltd 無停電電源装置
US20050242777A1 (en) * 2002-06-14 2005-11-03 Koninklijke Philips Electronics N.V. Charger for rechargeable batteries
SI21248B (sl) * 2002-06-20 2008-12-31 Mikro + Polo Družba Za Inženiring, Proizvodnjo In Trgovino D.O.O. Postopek in naprava za hitro polnjenje baterije
JP3753112B2 (ja) * 2002-08-20 2006-03-08 株式会社村田製作所 スイッチング電源装置およびそれを用いた電子装置
CN2560146Y (zh) * 2002-10-10 2003-07-09 刘承 高效普通电池充电器
KR20050048692A (ko) * 2002-10-21 2005-05-24 어드밴스드 파워 테크놀로지 인코포레이티드 높은 입력 역률 및 낮은 고조파 왜곡을 갖는 ａｃ-ｄｃ전원 컨버터
JP2004159382A (ja) 2002-11-01 2004-06-03 Toshiba Corp 電子機器
US6909266B2 (en) * 2002-11-14 2005-06-21 Fyre Storm, Inc. Method of regulating an output voltage of a power converter by calculating a current value to be applied to an inductor during a time interval immediately following a voltage sensing time interval and varying a duty cycle of a switch during the time interval following the voltage sensing time interval
JP4022872B2 (ja) * 2002-11-18 2007-12-19 日立工機株式会社 電池の充電装置
JP2004172963A (ja) 2002-11-20 2004-06-17 Uniden Corp コードレス電話機
CN1257603C (zh) * 2002-12-11 2006-05-24 北京泰尼高新技术有限公司 一种开关电源适配方法及系统
JP2004240743A (ja) 2003-02-06 2004-08-26 Matsushita Electric Ind Co Ltd 車両指定装置および方法
US7135836B2 (en) 2003-03-28 2006-11-14 Power Designers, Llc Modular and reconfigurable rapid battery charger
JP3938083B2 (ja) * 2003-03-28 2007-06-27 ソニー株式会社 スイッチング電源装置
US7098557B2 (en) * 2003-05-15 2006-08-29 Stmicroelectronics, Inc. Constant voltage discharge device
GB2403609A (en) * 2003-07-01 2005-01-05 Univ Leicester Pulse charging an electrochemical device
CN1578052B (zh) * 2003-07-09 2010-04-28 三美电机株式会社 Ac适配器及其充电方法
JP3905867B2 (ja) * 2003-07-17 2007-04-18 東芝テック株式会社 充電式電気掃除機
CN1622424A (zh) 2003-11-28 2005-06-01 上海维华信息技术有限公司 充电器
CN1564421A (zh) * 2004-03-17 2005-01-12 毛锦铭 锂电池充电器
JP4433841B2 (ja) * 2004-03-19 2010-03-17 株式会社豊田自動織機 スイッチング電源
JP2005287278A (ja) 2004-03-31 2005-10-13 Casio Comput Co Ltd 電子端末の充電制御装置及び電子端末の充電制御方法
US20050253557A1 (en) * 2004-05-14 2005-11-17 Grand Power Sources Inc. Electric charging system
CN100485397C (zh) * 2004-07-14 2009-05-06 深圳锦天乐防雷技术有限公司 记录雷击电流强度和发生时间的设备
JP3972930B2 (ja) * 2004-09-30 2007-09-05 松下電工株式会社 充電装置
JP2006121797A (ja) * 2004-10-20 2006-05-11 Matsushita Electric Ind Co Ltd 充電器
US7723964B2 (en) 2004-12-15 2010-05-25 Fujitsu General Limited Power supply device
CN1828467A (zh) * 2005-03-03 2006-09-06 华邦电子股份有限公司 可调稳压电源装置
CN1881739B (zh) 2005-06-17 2011-01-05 鸿富锦精密工业（深圳）有限公司 充电模式控制电路及方法
CN100438261C (zh) * 2005-07-14 2008-11-26 栢怡国际股份有限公司 交替回路式充电装置
JP2007049828A (ja) * 2005-08-10 2007-02-22 Daiken Kagaku Kogyo Kk 電池急速充電方法、電池急速充電装置及び電池急速充電システム
US7595619B2 (en) * 2005-08-23 2009-09-29 Texas Instruments Incorporated Feed-forward circuit for adjustable output voltage controller circuits
JP2007166825A (ja) * 2005-12-15 2007-06-28 Sanyo Electric Co Ltd 充電用電源、充電用電源及び充電回路部
US10099308B2 (en) * 2006-02-09 2018-10-16 Illinois Tool Works Inc. Method and apparatus for welding with battery power
JP4193857B2 (ja) * 2006-03-23 2008-12-10 ソニー株式会社 リチウムイオン２次電池の充電装置及び充電方法
JP4960022B2 (ja) * 2006-06-06 2012-06-27 パナソニック株式会社 電池パックおよびその異常判定方法
TW200814506A (en) * 2006-09-15 2008-03-16 Asian Power Devices Inc Charger circuit with output voltage compensation
US20080149320A1 (en) * 2006-10-19 2008-06-26 Sony Ericsson Mobile Communications Ab Electronic device with dual function outer surface
US7602151B2 (en) * 2006-11-07 2009-10-13 Asian Power Devices Inc. Charger with output voltage compensation
DE102006057523B4 (de) * 2006-12-06 2008-08-07 Siemens Ag Regelverfahren für eine Volumenstromregelung
CA2620949C (en) 2006-12-22 2015-08-04 New Art Advanced Research Technologies Inc. Method and apparatus for optical image reconstruction using contour determination
CN101064479A (zh) * 2007-01-11 2007-10-31 西安交通大学 基于叠加原理的大功率测试用可编程谐波电压源
CN101227098B (zh) * 2007-01-19 2012-01-18 鸿富锦精密工业（深圳）有限公司 充电装置及方法
JP2008186691A (ja) * 2007-01-30 2008-08-14 Gs Yuasa Corporation:Kk 非水電解質電池の使用方法、及び、電池システム
JP4489090B2 (ja) * 2007-01-30 2010-06-23 シャープ株式会社 イオン発生装置及び電気機器
CN101051701B (zh) * 2007-03-01 2010-08-11 华为技术有限公司 一种蓄电池脉冲快速充电方法及充电系统
US20080218127A1 (en) 2007-03-07 2008-09-11 O2Micro Inc. Battery management systems with controllable adapter output
CN101022179A (zh) * 2007-03-15 2007-08-22 淮阴工学院 蓄电池快速充电方法
JP2008236878A (ja) * 2007-03-19 2008-10-02 Hitachi Koki Co Ltd 充電装置
FR2914123B1 (fr) * 2007-03-20 2009-12-04 Advanced Electromagnetic Syste Chargeur rapide universel pour tout element electrolytique, piles alcalines et accumulateurs rechargeables
CN101291079B (zh) * 2007-04-18 2010-10-13 深圳市盈基实业有限公司 自适应电池充电电路
CN100578889C (zh) * 2007-07-25 2010-01-06 中兴通讯股份有限公司 为便携式手持设备的电池充电的方法
JP5162187B2 (ja) 2007-08-31 2013-03-13 京セラ株式会社 携帯端末および起動方法
CN101399498B (zh) 2007-09-26 2013-08-28 华为技术有限公司 直流转换电源装置及改进直流转换电源装置的方法
US7755916B2 (en) * 2007-10-11 2010-07-13 Solarbridge Technologies, Inc. Methods for minimizing double-frequency ripple power in single-phase power conditioners
CN101431250A (zh) * 2007-11-06 2009-05-13 上海辰蕊微电子科技有限公司 用于电池充电器的充电管理控制电路及其控制方法
US20110280047A1 (en) * 2007-11-29 2011-11-17 Eng Electronic Co., Ltd. Switching power adaptor circuit
CN101499675B (zh) * 2008-01-31 2012-07-04 台达电子工业股份有限公司 充电电路及电源供应系统
US7855520B2 (en) * 2008-03-19 2010-12-21 Niko Semiconductor Co., Ltd. Light-emitting diode driving circuit and secondary side controller for controlling the same
JP5262221B2 (ja) * 2008-03-25 2013-08-14 富士通株式会社 蓄電部の寿命の診断機能を備えた装置
US8320143B2 (en) * 2008-04-15 2012-11-27 Powermat Technologies, Ltd. Bridge synchronous rectifier
CN101282085B (zh) * 2008-05-20 2010-06-02 深圳市万顺微电子技术有限公司 开关电源初级端采样输出电压的方法
CN201207579Y (zh) * 2008-05-30 2009-03-11 比亚迪股份有限公司 电池充电器
JP2010011563A (ja) 2008-06-25 2010-01-14 Mitsumi Electric Co Ltd 直流電源装置
JP5301897B2 (ja) 2008-07-03 2013-09-25 セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー 充電装置
JP5098912B2 (ja) * 2008-07-11 2012-12-12 ソニー株式会社 バッテリパックおよび充電制御システム
CN101651356A (zh) * 2008-08-11 2010-02-17 鸿富锦精密工业（深圳）有限公司 电源适配器及其充电方法
US20100060081A1 (en) * 2008-09-04 2010-03-11 Allsop, Inc. System and Method for Providing Power to Portable Electronic Devices
JP2010088150A (ja) 2008-09-29 2010-04-15 Tdk Corp 充電装置
JP4766095B2 (ja) 2008-10-09 2011-09-07 ソニー株式会社 充電装置
CN201307776Y (zh) * 2008-11-19 2009-09-09 南京硕冠科技实业有限公司 智能四段式充电器
CN101552560B (zh) * 2009-01-13 2011-06-22 成都芯源系统有限公司 一种开关稳压电路及其控制方法
US8169806B2 (en) * 2009-02-12 2012-05-01 Apple Inc. Power converter system with pulsed power transfer
CN201383688Y (zh) * 2009-03-12 2010-01-13 苏州能健电气有限公司 风电变桨系统的脉冲式充电器
EP2416293A4 (en) * 2009-03-31 2017-02-01 Panasonic Intellectual Property Management Co., Ltd. Stereo image processor and stereo image processing method
CN101572496B (zh) * 2009-06-15 2012-07-11 哈尔滨工程大学 基于单片机控制的程控开关电源
CN101707385B (zh) * 2009-11-12 2013-01-02 胡振辉 一种电池充电装置
CN201557051U (zh) * 2009-11-17 2010-08-18 深圳市龙威盛电子科技有限公司 一种多功能电源适配器
US8283886B2 (en) * 2009-11-22 2012-10-09 Ming-Wei Tsai Charging device for battery
CN102668350B (zh) * 2009-11-25 2015-02-18 罗姆股份有限公司 电源适配器、dc/dc转换器的控制电路及设备侧连接器、dc/dc转换器、利用其的电源装置、以及电子设备
JP5540668B2 (ja) * 2009-11-27 2014-07-02 日本電気株式会社 充電システム
US20110140673A1 (en) * 2009-12-10 2011-06-16 Texas Insturments Incorporated Pulse width modulated battery charging
JP2011151891A (ja) * 2010-01-19 2011-08-04 Sony Corp 二次電池の充電方法および充電装置
JP4848038B2 (ja) * 2010-02-26 2011-12-28 幸男 高橋 充電器及び充電装置
CN101867295B (zh) * 2010-03-16 2014-07-16 成都芯源系统有限公司 一种电路及控制方法
JP2011205839A (ja) * 2010-03-26 2011-10-13 Hitachi Koki Co Ltd 充電器及び電池パック
JP5486986B2 (ja) * 2010-03-31 2014-05-07 新電元工業株式会社 バッテリ充電装置、バッテリ充電回路及び半導体集積回路装置
JP5412355B2 (ja) * 2010-03-31 2014-02-12 株式会社日立製作所 バッテリ充電装置、バッテリ充電回路及び半導体集積回路装置
CN101867214B (zh) * 2010-06-24 2013-06-26 深圳市瑞必达电源有限公司 一种充电电路及充电器
CN101902068B (zh) * 2010-08-06 2013-06-12 奥维通信股份有限公司 交/直流电源转换控制系统
CN101925237B (zh) * 2010-08-20 2013-06-05 杭州电子科技大学 隔离型反激变换器的原边恒流控制装置
KR20120019779A (ko) * 2010-08-27 2012-03-07 (주)한성월드칸 저전압 배터리의 수명연장 장치 및 그 제어방법
CN201904769U (zh) * 2010-09-01 2011-07-20 文祚明 取样电路档位快速切换装置
CN101951003B (zh) * 2010-09-29 2012-12-19 无锡中星微电子有限公司 充电管理装置
CN103168414B (zh) 2010-10-19 2016-03-02 松下知识产权经营株式会社 电源装置
GB2484773B (en) * 2010-10-21 2013-09-11 Chervon Hk Ltd Battery charging system having multiple charging modes
JP5685885B2 (ja) 2010-10-21 2015-03-18 株式会社デンソー 車両用電池パック
JP5617545B2 (ja) * 2010-11-10 2014-11-05 富士通セミコンダクター株式会社 電源コントローラ、および電子機器
CN201928062U (zh) * 2010-11-26 2011-08-10 韩忠信 变电压变电流交替间歇脉冲式充电机
JP2012143123A (ja) * 2010-12-14 2012-07-26 Makita Corp 充電器
CN102088119A (zh) * 2010-12-29 2011-06-08 奇瑞汽车股份有限公司 一种蓄电池伴侣装置
CN102122739B (zh) * 2010-12-29 2013-06-26 华为终端有限公司 充电方法和用户设备
US8971074B2 (en) 2011-01-05 2015-03-03 General Electric Company Bias supply, a power supply and a method of using bias supply voltage levels to signal information across an isolation barrier
CN102142699A (zh) 2011-01-12 2011-08-03 肖相如 脉冲充电装置的一种充、放电脉冲产生及控制方法
CN102364990B (zh) * 2011-02-01 2012-10-10 杭州士兰微电子股份有限公司 一种原边控制led恒流驱动开关电源控制器及其方法
JP2012165546A (ja) * 2011-02-07 2012-08-30 Konica Minolta Medical & Graphic Inc 充電システム、電子機器および充電装置
CN202008524U (zh) * 2011-03-24 2011-10-12 深圳可立克科技股份有限公司 充电接头接触电阻检测装置和充电桩
CN102263515B (zh) * 2011-03-31 2013-01-30 深圳市富满电子有限公司 一种ac-dc电源转换芯片及电源转换电路
JP2012223077A (ja) 2011-04-14 2012-11-12 Kyocera Corp 充電システム
CN202019221U (zh) 2011-04-18 2011-10-26 成都秦川科技发展有限公司 电动汽车pwm整流及变压变流脉冲充电系统
JP5097289B1 (ja) * 2011-05-27 2012-12-12 シャープ株式会社 電気自動車充電用の充電器及び充電装置
JP2012249410A (ja) * 2011-05-27 2012-12-13 Sharp Corp 電気自動車充電用の充電器及び充電装置
CN202172181U (zh) * 2011-06-09 2012-03-21 曹沥丹 一种防雷节能插座
US9263968B2 (en) * 2011-06-22 2016-02-16 Eetrex, Inc. Bidirectional inverter-charger
US8963811B2 (en) * 2011-06-27 2015-02-24 Sct Technology, Ltd. LED display systems
JP5887081B2 (ja) * 2011-07-26 2016-03-16 ローム株式会社 Ａｃ／ｄｃコンバータおよびそれを用いたａｃ電源アダプタおよび電子機器
JP2013031303A (ja) 2011-07-28 2013-02-07 Sanyo Electric Co Ltd 電池パックの無接点充電方法及び電池パック
CN202206178U (zh) * 2011-08-03 2012-04-25 安徽省高程电子科技有限公司 Ac/dc充电电源
CN202190214U (zh) * 2011-08-03 2012-04-11 深圳市赛其创新科技有限公司 一种液晶显示装置一体化供电电源电路
CN102315679B (zh) * 2011-09-01 2014-07-09 河南省交通科学技术研究院有限公司 带保护电路的快速充电电路
CN202334337U (zh) * 2011-11-17 2012-07-11 东莞市盈聚电子有限公司 一种电源适配器电路
TR201909186T4 (tr) * 2012-01-19 2019-07-22 Koninklijke Philips Nv Güç kaynağı cihazı.
JP5800919B2 (ja) * 2012-02-08 2015-10-28 三菱電機株式会社 電力変換装置
CN103001272A (zh) * 2012-02-15 2013-03-27 西安胜唐电源有限公司 具有电度计量和电池管理的充电站
WO2013137293A1 (ja) * 2012-03-15 2013-09-19 京セラ株式会社 無線端末および無線通信方法
CN202524148U (zh) * 2012-03-21 2012-11-07 深圳市福佳电器有限公司 一种智能型电池充电器
AT512887B1 (de) * 2012-04-27 2014-03-15 Siemens Ag Ausgangsstufe eines Ladegerätes
CN102680846B (zh) * 2012-05-11 2015-01-14 许继电气股份有限公司 电池单元之间联接可靠性判断、保护方法与保护装置
CN202616850U (zh) 2012-06-01 2012-12-19 宋新林 蓄电池充电机
US8891254B2 (en) 2012-06-01 2014-11-18 Panasonic Corporation Power converter and battery charger using the same
JP6122257B2 (ja) * 2012-07-04 2017-04-26 ローム株式会社 Ｄｃ／ｄｃコンバータおよびその制御回路、それを用いた電源装置、電源アダプタおよび電子機器
US8933662B2 (en) * 2012-07-26 2015-01-13 Daifuku Co., Ltd. Charging apparatus for lead storage battery
JP6092542B2 (ja) * 2012-08-01 2017-03-08 ローム株式会社 充電制御装置、及び、これを用いた電子機器
WO2014024244A1 (ja) * 2012-08-06 2014-02-13 富士通株式会社 電源回路、電子処理装置、および電力供給方法
CN202759386U (zh) * 2012-08-09 2013-02-27 深圳Tcl新技术有限公司 反激式开关电源电路及反激式开关电源
JP6008365B2 (ja) 2012-09-05 2016-10-19 新電元工業株式会社 充電装置
JP6098007B2 (ja) * 2012-09-28 2017-03-22 パナソニックＩｐマネジメント株式会社 電気接続用コネクタ
WO2014061567A1 (en) 2012-10-17 2014-04-24 Semiconductor Energy Laboratory Co., Ltd. Programmable logic device
US9368269B2 (en) 2012-10-24 2016-06-14 Schumacher Electric Corporation Hybrid battery charger
CN102916595B (zh) 2012-10-25 2015-02-18 深圳市明微电子股份有限公司 一种开关电源及其多阈值开关电路
TWM451735U (zh) * 2012-10-31 2013-04-21 Asian Power Devices Inc 過載保護節能電路
CN102957193B (zh) * 2012-11-19 2015-12-23 中兴通讯股份有限公司 一种充电管理方法、装置和系统
CN202918023U (zh) * 2012-11-21 2013-05-01 上海华通自动化设备有限公司 一种电池组管理功率模块
CN102931849A (zh) * 2012-11-26 2013-02-13 宁德时代新能源科技有限公司 双向dc/dc变换装置
CN202978387U (zh) * 2012-11-30 2013-06-05 东莞市盈聚电子有限公司 简易型充电器电路
JP6092604B2 (ja) * 2012-12-10 2017-03-08 ローム株式会社 Ｄｃ／ｄｃコンバータおよびその制御回路、それを用いた電源装置、電源アダプタおよび電子機器
CN103036437B (zh) 2012-12-11 2015-03-11 航天科工深圳（集团）有限公司 一种配网终端电源装置
JP2014117129A (ja) * 2012-12-12 2014-06-26 Canon Inc 電源装置およびそれを備えた電子機器
CN103066340B (zh) 2012-12-17 2015-08-12 中兴通讯股份有限公司 充电方法、移动终端及适配器
CN203104000U (zh) * 2012-12-24 2013-07-31 华联电电子(深圳)有限公司 便携式充电器
CN203056968U (zh) * 2012-12-28 2013-07-10 深圳市晶福源电子技术有限公司 一种电源电路
CN203135728U (zh) * 2012-12-28 2013-08-14 Tcl通力电子（惠州）有限公司 电压切换电路及开关电路
US9425634B2 (en) * 2013-01-17 2016-08-23 Tamura Corporation Charging apparatus for secondary battery
CN103066666B (zh) * 2013-01-22 2015-08-26 矽力杰半导体技术(杭州)有限公司 一种升压型电池充电管理系统及其控制方法
CN203039414U (zh) * 2013-01-28 2013-07-03 陈幸 一种程控脉冲补偿型充电器
CN203119587U (zh) * 2013-02-05 2013-08-07 四川创宏电气有限公司 降压斩波三段式充电机
US20140253051A1 (en) * 2013-03-07 2014-09-11 Apple Inc. Charging a battery in a portable electronic device
US9071146B2 (en) 2013-03-13 2015-06-30 Power Integrations, Inc. AC voltage sensor with low power consumption
CN103178595B (zh) * 2013-03-14 2015-06-24 广东欧珀移动通信有限公司 手机适配器
KR20140120699A (ko) * 2013-04-04 2014-10-14 삼성전자주식회사 충전을 위한 전자 장치 제어 방법 및 이를 지원하는 전자 장치와 충전 장치
CN103219769B (zh) 2013-04-17 2015-12-02 广东欧珀移动通信有限公司 电池充电方法、电池充电系统及移动终端
TWI479294B (zh) * 2013-04-18 2015-04-01 Asustek Comp Inc 電源適配器
US9231481B2 (en) * 2013-04-26 2016-01-05 Motorola Solutions, Inc. Power converter apparatus
CN203368317U (zh) * 2013-04-28 2013-12-25 矽恩微电子(厦门)有限公司 无需环路补偿的高pfc恒流控制装置及电压变换器
US9553519B2 (en) * 2013-06-04 2017-01-24 Intel Corporation Small form factor voltage adapters and devices, platforms, and techniques for managing power boosts
US9238808B2 (en) * 2013-06-06 2016-01-19 General Electric Company Modular adjustable pulse generator
CN104253464B (zh) * 2013-06-28 2017-05-03 比亚迪股份有限公司 电动汽车之间相互充电的系统及充电连接器
CN104249630B (zh) * 2013-06-28 2017-08-04 比亚迪股份有限公司 电动汽车及电动汽车向外供电的系统
CN103427651A (zh) * 2013-07-25 2013-12-04 天津市松正电动汽车技术股份有限公司 一种车用供电系统及其工作方法
KR101500709B1 (ko) * 2013-09-09 2015-03-10 공주대학교 산학협력단 배터리 수명 향상이 가능한 에너지 저장 장치
JP5895912B2 (ja) 2013-09-11 2016-03-30 トヨタ自動車株式会社 車載バッテリの充電システム及び車載バッテリの充電方法
CN203537225U (zh) * 2013-09-18 2014-04-09 江门市三通科技实业有限公司 一种具有抗浪涌功能的新型恒流开关电源
JP2015065736A (ja) * 2013-09-24 2015-04-09 日立工機株式会社 充電装置
CN104518206B (zh) * 2013-09-26 2017-11-28 联想(北京)有限公司 一种充电电池、方法及设备
KR20150054464A (ko) * 2013-11-12 2015-05-20 삼성에스디아이 주식회사 배터리 충전 방법 및 배터리 충전 시스템
KR20150102778A (ko) * 2013-11-13 2015-09-08 삼성에스디아이 주식회사 배터리 팩, 배터리 팩을 포함하는 장치, 및 배터리 팩의 관리 방법
KR101542112B1 (ko) 2013-11-14 2015-08-06 숭실대학교산학협력단 다중 배터리 충전기 및 그 제어방법
CN103618366B (zh) * 2013-11-22 2016-01-13 镇江赛尔尼柯自动化有限公司 一种智能船舶充电机及充电方法
JP6219706B2 (ja) * 2013-12-19 2017-10-25 ルネサスエレクトロニクス株式会社 電源回路
CN203761280U (zh) * 2013-12-28 2014-08-06 东莞市盈聚电子有限公司 一种防雷击的电源适配器电路
CN103746437B (zh) * 2013-12-30 2016-11-09 深圳市明朗微科技有限公司 一种移动电源的快速充电方法及装置
CN103746422B (zh) * 2014-01-07 2016-01-20 国网电力科学研究院 一种基于接口智能识别技术的直流充放电控制方法
CN103762689B (zh) * 2014-01-26 2015-11-18 国家电网公司 一种电动汽车交直流组合充电控制系统及控制方法
CN103762690B (zh) 2014-01-28 2016-08-24 广东欧珀移动通信有限公司 充电系统
CN103762691B (zh) * 2014-01-28 2015-12-23 广东欧珀移动通信有限公司 电池充电装置及电池充电保护控制方法
CN103856060A (zh) * 2014-02-13 2014-06-11 苏州市职业大学 一种最大输出电流可调的反激式开关电源
WO2015125539A1 (ja) * 2014-02-21 2015-08-27 株式会社村田製作所 電力伝送システム
CN103795126B (zh) * 2014-03-03 2016-08-17 无锡金雨电子科技有限公司 脉冲式充电方法和装置
US9562951B2 (en) * 2014-03-11 2017-02-07 Venable Corporation Digital Frequency response analysis system and method useful for power supplies
US9479067B2 (en) * 2014-04-01 2016-10-25 Infineon Technologies Austria Ag System and method for a switched-mode power supply
US9543844B2 (en) 2014-04-01 2017-01-10 Infineon Technologies Austria Ag System and method for a switched-mode power supply
CN103904746A (zh) 2014-04-04 2014-07-02 西北工业大学 一种智能型正负脉冲动力电池快速充电机及充电方法
CN103872883B (zh) * 2014-04-15 2016-03-02 武汉中原电子集团有限公司 一种反激式电源的限压限流控制装置
CN103944246A (zh) * 2014-04-28 2014-07-23 青岛大学 一种馈能式铅酸蓄电池快速充电系统及方法
CN203981764U (zh) * 2014-05-09 2014-12-03 中节能六合天融环保科技有限公司 高速脉冲峰值甄别采样电路
CN105098268B (zh) * 2014-05-14 2019-03-12 中兴通讯股份有限公司 一种终端的充电方法及装置
CN203840043U (zh) 2014-05-14 2014-09-17 深圳市安科讯实业有限公司 一种充电适配装置
CN104022634B (zh) * 2014-06-30 2016-06-29 中国电子科技集团公司第四十三研究所 一种储能电容式高、低压浪涌抑制电路及其抑制方法
CN104092274A (zh) * 2014-07-29 2014-10-08 深圳市至高通信技术发展有限公司 一种智能可变换输出电压的充电器
CN104167780B (zh) 2014-07-30 2016-06-08 广州益维电动汽车有限公司 一种连续可控隔离式有源主动均衡充电模块及其充电系统
KR101592751B1 (ko) * 2014-08-13 2016-02-05 현대자동차주식회사 완속충전 초기 오버 슈트 방지 장치 및 방법
CN104158251B (zh) * 2014-08-13 2016-08-24 宇龙计算机通信科技(深圳)有限公司 终端、充电器和充电方法
CN105472827B (zh) * 2014-08-22 2018-11-09 比亚迪股份有限公司 Led驱动控制电路及其控制芯片
CN104134991B (zh) * 2014-08-22 2016-03-02 中国人民解放军国防科学技术大学 一种面向直流微电网的三端口直流母线稳压模块
DE102015011718A1 (de) * 2014-09-10 2016-03-10 Infineon Technologies Ag Gleichrichtervorrichtung und Anordnung von Gleichrichtern
CN104362720B (zh) 2014-09-29 2017-01-25 株洲南车时代电气股份有限公司 一种蓄电池充电系统
CN204118838U (zh) * 2014-10-20 2015-01-21 广州市江科电子有限公司 一种三段式加脉冲智能电动车充电器
CN104362842A (zh) * 2014-10-20 2015-02-18 矽力杰半导体技术(杭州)有限公司 开关电源及适用于开关电源的浪涌保护电路、方法
CN204304572U (zh) * 2014-11-03 2015-04-29 天津新艺电子有限公司 一种电动车快速充电器电路
EP3220506B1 (en) * 2014-11-11 2020-02-19 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Communication method, power adaptor and terminal
CN104393660A (zh) * 2014-12-03 2015-03-04 李嵩 一种零待机功耗充电器以及其电路控制方法
US9577452B2 (en) * 2014-12-05 2017-02-21 Htc Corporation Portable electronic device and charging method therefor
CN104682487A (zh) * 2014-12-05 2015-06-03 华北科技学院 一种矿用动力电池
US10250053B2 (en) * 2014-12-16 2019-04-02 Virginia Tech Intellectual Properties, Inc. Optimal battery current waveform for bidirectional PHEV battery charger
CN204258616U (zh) * 2014-12-23 2015-04-08 济南昊研电子科技有限公司 一种建筑工程用开关电源
CN105790626B (zh) 2014-12-25 2019-02-12 台达电子工业股份有限公司 谐振型功率转换电路及控制谐振型功率转换电路的方法
US9793729B2 (en) 2015-01-05 2017-10-17 Schneider Electric It Corporation Uninterruptible power supply having removable battery
US10193380B2 (en) * 2015-01-13 2019-01-29 Inertech Ip Llc Power sources and systems utilizing a common ultra-capacitor and battery hybrid energy storage system for both uninterruptible power supply and generator start-up functions
CN105991018B (zh) * 2015-01-27 2018-08-21 意瑞半导体（上海）有限公司 功率因数校正电路、乘法器及电压前馈电路
CN104617643B (zh) * 2015-03-09 2018-01-16 广东欧珀移动通信有限公司 充电方法、待充电设备、供电设备及充电系统
CN204633622U (zh) * 2015-03-25 2015-09-09 丹阳奇烨科技有限公司 移动终端设备用电源适配器
CN104953642A (zh) * 2015-03-27 2015-09-30 广东欧珀移动通信有限公司 充电电池组件和终端设备
CN204615485U (zh) * 2015-04-15 2015-09-02 淮阴师范学院 便携式车载蓄电池智能充电电路
CN204442311U (zh) * 2015-04-21 2015-07-01 山西中科华仪科技有限公司 一种参数可调的高线性度锯齿波产生电路
CN204761142U (zh) 2015-06-05 2015-11-11 凤冠电机（深圳）有限公司 兼容mtk及qc2.0充电方案的二合一充电电路
CN104935063B (zh) 2015-06-18 2017-01-25 电子科技大学 一种蓄电池正负脉冲充电变换器
CN204835676U (zh) * 2015-06-19 2015-12-02 李�昊 一种适配器
CN104993534B (zh) * 2015-07-02 2017-11-10 Tcl移动通信科技（宁波）有限公司 一种移动终端及其充电控制方法
CN204993090U (zh) * 2015-07-20 2016-01-20 深圳市好成功科技有限公司 一种电源适配器
CN104993562B (zh) * 2015-08-05 2017-12-05 青岛海信移动通信技术股份有限公司 可直充电源适配器
CN104967200B (zh) * 2015-08-05 2018-04-27 青岛海信移动通信技术股份有限公司 一种快速充电方法及移动终端
CN105098900B (zh) * 2015-08-05 2018-05-29 青岛海信移动通信技术股份有限公司 移动终端、可直充电源适配器及充电方法
CN105098922A (zh) * 2015-08-26 2015-11-25 贵州航天电子科技有限公司 一种28V/35Ah锌银电池充电系统及其充电方法
US9559521B1 (en) * 2015-12-09 2017-01-31 King Electric Vehicles Inc. Renewable energy system with integrated home power
US20170187200A1 (en) * 2015-12-28 2017-06-29 Dialog Semiconductor (Uk) Limited Charger Communication by Load Modulation
ES2746231T3 (es) * 2016-02-05 2020-03-05 Guangdong Oppo Mobile Telecommunications Corp Ltd Adaptador y método de control de carga
CN105870895A (zh) * 2016-05-13 2016-08-17 广州金升阳科技有限公司 雷击浪涌的防护电路
JP6660253B2 (ja) * 2016-06-02 2020-03-11 Ntn株式会社 バッテリ充電装置
EP4037175B1 (en) 2016-07-26 2024-08-28 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
EP3723231B1 (en) 2016-07-26 2021-10-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
CN106297726B (zh) * 2016-09-08 2018-10-23 京东方科技集团股份有限公司 采样保持电路、放电控制方法和显示装置
US20180214971A1 (en) 2017-02-02 2018-08-02 Illinois Tool Works Inc. Methods and apparatus for a multi-mode welding-type power supply
CN106972566B (zh) * 2017-04-11 2019-05-31 深圳市华星光电技术有限公司 电池充电装置及电池充电方法

Patent Citations (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087733A (en) 1975-07-25 1978-05-02 Controlled Systems (Windsor) Limited Battery charger
JPS61244267A (ja) 1985-04-18 1986-10-30 Nec Corp 電源回路
US5122722A (en) 1991-01-17 1992-06-16 Motorola, Inc. Battery charging system
JPH05103430A (ja) 1991-10-07 1993-04-23 Murata Mfg Co Ltd バツテリ充電回路
US5568039A (en) 1994-12-16 1996-10-22 Motorola, Inc. Apparatus and method of providing an initiation voltage to a rechargeable battery system
JPH0917454A (ja) 1995-06-28 1997-01-17 Yamaha Motor Co Ltd ２次電池の充電方法
US6025695A (en) 1997-07-09 2000-02-15 Friel; Daniel D. Battery operating system
JPH11332238A (ja) 1998-05-19 1999-11-30 Sanyo Electric Co Ltd 電源装置
US6137265A (en) 1999-01-11 2000-10-24 Dell Usa, L.P. Adaptive fast charging of lithium-ion batteries
JP2002027604A (ja) 2000-07-05 2002-01-25 Nippon Yusoki Co Ltd バッテリフォークリフトの充電安全装置
US6351402B1 (en) 2000-09-29 2002-02-26 Compaq Information Technologies Group, L.P. AC adapter with current driven, zero-voltage switched synchronous rectifier
US20040090209A1 (en) 2001-09-14 2004-05-13 Junji Nishida Charging circuit for secondary battery
US20040021444A1 (en) 2002-08-02 2004-02-05 Dialog Semiconductor Gmbh. Digital controlled charge current regulator
US20040263119A1 (en) * 2002-11-22 2004-12-30 Meyer Gary D. Method and system for battery charging
US6909617B1 (en) 2004-01-22 2005-06-21 La Marche Manufacturing Co. Zero-voltage-switched, full-bridge, phase-shifted DC-DC converter with improved light/no-load operation
US20060132102A1 (en) 2004-11-10 2006-06-22 Harvey Troy A Maximum power point tracking charge controller for double layer capacitors
TW200616305A (en) 2004-11-12 2006-05-16 Niko Semiconductor Co Ltd Pulse width modulation apparatus by using output voltage feedback delay circuit to automatically change the output frequency
US20060284595A1 (en) 2005-06-17 2006-12-21 Kuan-Hong Hsieh Charging mode control circuit and method
US20070076443A1 (en) * 2005-09-30 2007-04-05 Sony Corporation Switching power supply circuit
JP2008136278A (ja) 2006-11-27 2008-06-12 Matsushita Electric Works Ltd 充電器
US20080197811A1 (en) 2007-02-16 2008-08-21 O2Micro Inc. Circuits and methods for battery charging
US20120075891A1 (en) * 2008-10-21 2012-03-29 On-Bright Electronics (Shanghai) Co., Ltd. Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation
JP2010110055A (ja) 2008-10-28 2010-05-13 Panasonic Electric Works Co Ltd 電気自動車用充電ケーブル
US20100188052A1 (en) 2009-01-23 2010-07-29 Asustek Computer Inc Charge Device
US20100195355A1 (en) * 2009-02-03 2010-08-05 Iwatt Inc. Switching power converter with load impedance detection
EP2228884A2 (en) 2009-03-12 2010-09-15 O2 Micro, Inc. Circuits and methods for battery charging
US20100289451A1 (en) 2009-05-15 2010-11-18 Battelle Memorial Institute Battery Charging Control Methods, Electric Vehicle Charging Methods, Battery Charging Apparatuses And Rechargeable Battery Systems
CN101635470A (zh) 2009-08-19 2010-01-27 王广生 一种节电型蓄电池快速充电器及智能化充电方法
JP5454781B2 (ja) 2010-01-15 2014-03-26 株式会社ダイフク 鉛蓄電池の充電装置
US20110285360A1 (en) * 2010-03-25 2011-11-24 Hui-Nan Lin Energy-Saving Charger
JP2011223800A (ja) 2010-04-13 2011-11-04 Minebea Co Ltd スイッチング電源回路
CN202026118U (zh) 2011-05-17 2011-11-02 李秉哲 防止蓄电池过量充电的充电装置
WO2012167677A1 (zh) 2011-06-09 2012-12-13 中兴通讯股份有限公司 一种通过usb接口通信并为外部设备充电的装置及方法
CN102364856B (zh) 2011-06-30 2013-10-16 成都芯源系统有限公司 开关电源及其空载控制电路和控制方法
US20130082742A1 (en) 2011-06-30 2013-04-04 Chengdu Monolithic Power Systems Co., Ltd. Load detecting circuits and the method thereof
CN102364856A (zh) 2011-06-30 2012-02-29 成都芯源系统有限公司 开关电源及其空载控制电路和控制方法
US20130141034A1 (en) 2011-12-02 2013-06-06 Golden Crown New Energy (Hk) Limited Charging management system and charger with the same
CN102545360A (zh) 2012-02-09 2012-07-04 刘德军 电动车蓄电池智能充电器
JP2013198262A (ja) 2012-03-19 2013-09-30 Renesas Electronics Corp 充電装置
JP5822304B2 (ja) 2012-03-26 2015-11-24 ニチコン株式会社 充電装置
US20130257160A1 (en) 2012-04-03 2013-10-03 Microsoft Corporation Transformer Coupled Current Capping Power Supply Topology
US20130300375A1 (en) 2012-05-14 2013-11-14 Qualcomm Incorporated Systems and methods for high power factor charging
JP3198222U (ja) 2012-06-28 2015-06-25 ▲華▼▲為▼▲終▼端有限公司 充電器及び充電システム
CN202651863U (zh) 2012-06-28 2013-01-02 华为终端有限公司 充电器及充电系统
WO2014000674A1 (zh) 2012-06-28 2014-01-03 华为终端有限公司 充电器及充电系统
EP2804287A1 (en) 2012-06-28 2014-11-19 Huawei Device Co., Ltd. Charger and charging system
US20140361733A1 (en) 2012-06-28 2014-12-11 Huawei Device Co., Ltd. Charger and Charging System
US20140159641A1 (en) 2012-12-07 2014-06-12 Motorola Solutions, Inc. Method and apparatus for charging batteries having different voltage ranges with a single conversion charger
US20140268919A1 (en) 2013-03-13 2014-09-18 Iwatt Inc. Switching power converter with secondary to primary messaging
JP2014220876A (ja) 2013-05-02 2014-11-20 株式会社ブリッジ・マーケット 電子トランス
US20150180244A1 (en) 2013-12-23 2015-06-25 Samsung Electronics Co., Ltd. Method and apparatus for charging a battery
US20150180356A1 (en) * 2013-12-24 2015-06-25 Panasonic Intellectual Property Management Co., Ltd. Electric power converter
US20160268834A1 (en) 2014-01-08 2016-09-15 Mediatek Inc. Wireless power receiver with dynamically configurable power path
CN203747451U (zh) 2014-01-28 2014-07-30 广东欧珀移动通信有限公司 电池充电装置
CN103762702A (zh) 2014-01-28 2014-04-30 广东欧珀移动通信有限公司 电子设备充电装置及其电源适配器
CN104810873A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 电子设备充电控制装置及方法
CN104810877A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 电池充电装置及方法
CN104810879A (zh) 2014-01-28 2015-07-29 广东欧珀移动通信有限公司 快速充电方法和系统
WO2015113341A1 (zh) 2014-01-28 2015-08-06 广东欧珀移动通信有限公司 电子设备充电装置及其电源适配器
WO2015113349A1 (zh) 2014-01-28 2015-08-06 广东欧珀移动通信有限公司 电池充电装置及方法
CN103762702B (zh) 2014-01-28 2015-12-16 广东欧珀移动通信有限公司 电子设备充电装置及其电源适配器
CN103795040A (zh) 2014-01-28 2014-05-14 广东欧珀移动通信有限公司 电子设备及其电源适配器
CN104917269A (zh) 2014-03-11 2015-09-16 登腾电子股份有限公司 智能电源转接器及其供电控制方法
TWM481439U (zh) 2014-03-14 2014-07-01 San-Shan Hong 交換式電源供應器及其保護裝置
DE102015104429A1 (de) 2014-03-26 2015-10-01 Infineon Technologies Austria Ag System und Verfahren für eine getaktete Leistungsversorgung
US20150280576A1 (en) 2014-03-26 2015-10-01 Infineon Technologies Austria Ag System and Method for a Switched Mode Power Supply
EP2930589A1 (en) 2014-04-09 2015-10-14 BlackBerry Limited A device, system and method for charging a battery
US9158325B1 (en) * 2014-04-22 2015-10-13 Infineon Technologies Ag Cable quality detection and power consumer devices
CN203827185U (zh) 2014-05-07 2014-09-10 昂宝电子（上海）有限公司 兼容多种通信指令和支持多级升降压的开关电源电路
EP2980958A1 (en) 2014-07-31 2016-02-03 Samsung Electronics Co., Ltd Charging control method and electronic device for supporting the same
US20160087540A1 (en) 2014-09-18 2016-03-24 Sync Power Corp. System for information feedback through isolation in power converters
WO2016043099A1 (ja) 2014-09-18 2016-03-24 Ntn株式会社 充電装置
US20170271897A1 (en) * 2014-12-31 2017-09-21 Huawei Technologies Co., Ltd. Charging protection method and apparatus
US20160359403A1 (en) * 2015-06-05 2016-12-08 Power Integrations Limited Bjt driver with dynamic adjustment of storage time versus input line voltage variations
CN104917267A (zh) 2015-06-05 2015-09-16 凤冠电机（深圳）有限公司 兼容mtk及qc2.0充电方案的二合一充电电路
CN104917271A (zh) 2015-06-19 2015-09-16 李�昊 一种适配器
CN105098945A (zh) 2015-08-05 2015-11-25 青岛海信移动通信技术股份有限公司 一种可直充电源适配器
CN104993182A (zh) 2015-08-05 2015-10-21 青岛海信移动通信技术股份有限公司 一种移动终端、可直充电源适配器及充电方法
CN104967201A (zh) 2015-08-05 2015-10-07 青岛海信移动通信技术股份有限公司 快速充电方法、移动终端及可直充电源适配器
CN104967199A (zh) 2015-08-05 2015-10-07 青岛海信移动通信技术股份有限公司 快速充电方法及移动终端
CN204858705U (zh) 2015-08-13 2015-12-09 深圳市龙威盛电子科技有限公司 手机充电器
US20180123376A1 (en) 2016-02-05 2018-05-03 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
US20180048164A1 (en) 2016-02-05 2018-02-15 Guangdong Oppo Mobile Telecommunications Corp., Lt D. Charging system and method, and power adapter
US20180034293A1 (en) 2016-02-05 2018-02-01 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10122201B2 (en) 2016-02-05 2018-11-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
US10181745B2 (en) 2016-02-05 2019-01-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
US10312712B2 (en) * 2016-02-05 2019-06-04 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10340727B2 (en) * 2016-02-05 2019-07-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method, and power adapter
US10381861B2 (en) * 2016-02-05 2019-08-13 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system, charging method, and power adapter
US10622829B2 (en) * 2016-02-05 2020-04-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging control method and apparatus
US10680460B2 (en) * 2016-02-05 2020-06-09 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging system and charging method and power adapter for charging a rechargeable battery
US10749371B2 (en) * 2016-02-05 2020-08-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Charging device and method, power adapter and terminal

Non-Patent Citations (29)

* Cited by examiner, † Cited by third party
Title
Australian Patent Application No. 2016291545 Office Action dated Jun. 25, 2018, 6 pages.
Chen, Liang-Rui, ‘A Design of an Optimal Battery Pulse Charge System by Frequency-Varied Technique’, IEEE Transactions on Industrial Electronics, vol. 54, No. 1, Feb. 2007, pp. 398-405, cited in office action in AU application No. 2016291545.
Chinese Patent Application No. 201610600384.X English translation of Office Action dated Jul. 4, 2017, 14 pages.
Chinese Patent Application No. 201610600384.X Office Action dated Jul. 4, 2017, 10 pages.
European Patent Application No. 16819788.7 extended Search and Opinion dated Nov. 15, 2017, 7 pages.
European Patent Application No. 16889012.7, Extended Search and Opinion dated Sep. 7, 2018, 9 pages.
European Patent Application No. 17180360.4 extended Search and Opinion dated Dec. 8, 2017, 8 pages.
European Patent Application No. 19151182.3 extended Search and Opinion dated May 17, 2019, 8 pages.
Indian Patent Application No. 201734026437, Office Action dated Oct. 18, 2019, 7 pages.
Indian Patent Application No. 201837005718, Office Action dated Nov. 21, 2019, 7 pages.
Japanese Patent Application No. 2018-514950, English translation of Office Action dated Oct. 4, 2018, 6 pages.
Japanese Patent Application No. 2018-514950, Office Action dated Oct. 13, 2017, 9 pages.
Korean Patent Application No. 10-2018-7004759, English translation of Office Action dated May 9, 2020, 6 pages.
Korean Patent Application No. 10-2018-7004759, Office Action dated May 9, 2020, 6 pages.
Korean Patent Application No. 20177002310 English translation of Office Action dated Jan. 29, 2018, 3 pages.
Korean Patent Application No. 20177002310 English translation of Office Action dated Jun. 26, 2018, 3 pages.
Korean Patent Application No. 20177002310 Office Action dated Jan. 29, 2018, 5 pages.
Korean Patent Application No. 20177002310 Office Action dated Jun. 26, 2018, 3 pages.
PCT application PCT/CN2016/073679 English translation of International Search Report dated Nov. 10, 2016, 2 pages.
PCT application PCT/CN2016/073679 International Search Report and Written Opinion dated Nov. 10, 2016, 12 pages.
PCT/CN2016/073679 English translation of Written Opinion dated Nov. 10, 2016, 6 pages.
PCT/CN2016/091760 English translation of International Search Report and Written Opinion dated Nov. 9, 2016, 2 pages.
PCT/CN2016/091760 International Search Report and Written Opinion dated Nov. 9, 2016, 12 pages.
Singapore Patent Application No. 11201700428U Search and Opinion dated Nov. 23, 2017, 9 pages.
Taiwan Patent Application No. 105120040 Decision to Grant Patent dated Mar. 22, 2018, 2 pages.
Taiwan Patent Application No. 105120040 Office Action dated Aug. 8, 2017, 11 pages.
Taiwanese Patent Application No. 106103388, Office Action dated Oct. 25, 2018, 6 pages.
U.S Appl. No. 15/657,572 Office Action dated Jun. 12, 2019, 39 pages.
U.S. Appl. No. 15/657,572, Office Action dated Oct. 4, 2019, 44 pages.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11437865B2 (en) * 2017-04-07 2022-09-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Wireless charging system, wireless charging method, and device to-be-charged
US20230009995A1 (en) * 2021-07-11 2023-01-12 Harman International Industries, Incorporated System and method for delivering power to a portable device
US12244160B2 (en) * 2021-07-11 2025-03-04 Harman International Industries, Incorporated System and method for delivering power to a portable device
US20230208179A1 (en) * 2021-12-28 2023-06-29 Makita Corporation Battery charger

Also Published As

Publication number Publication date
CN107592021B (zh) 2019-09-06
CN107846053A (zh) 2018-03-27
EP3229336A1 (en) 2017-10-11
US10418835B2 (en) 2019-09-17
CN106100083A (zh) 2016-11-09
CN108271428A (zh) 2018-07-10
ES2757448T3 (es) 2020-04-29
WO2017133199A1 (zh) 2017-08-10
US20180034310A1 (en) 2018-02-01
CN106059025A (zh) 2016-10-26
CN106253423A (zh) 2016-12-21
WO2017133197A1 (zh) 2017-08-10
WO2018019155A1 (en) 2018-02-01
CN108093663A (zh) 2018-05-29
US20180048179A1 (en) 2018-02-15
CN205882815U (zh) 2017-01-11
JP2018516047A (ja) 2018-06-14
ES2733700T3 (es) 2019-12-02
TWI661645B (zh) 2019-06-01
JP2018527871A (ja) 2018-09-20
CN106253422A (zh) 2016-12-21
CN107980193B (zh) 2022-02-18
CN107769341B (zh) 2021-03-23
EP3285357B1 (en) 2020-02-19
KR102275888B1 (ko) 2021-07-09
CN109121445A (zh) 2019-01-01
JP6553744B2 (ja) 2019-07-31
ES2747922T3 (es) 2020-03-12
CN107681753A (zh) 2018-02-09
CN107710550B (zh) 2021-05-11
JP6431215B2 (ja) 2018-11-28
CN108011431A (zh) 2018-05-08
ES2734304T3 (es) 2019-12-05
PT3276811T (pt) 2019-06-11
US11070076B2 (en) 2021-07-20
JP6615873B2 (ja) 2019-12-04
EP3264563B1 (en) 2019-06-12
CN107592024A (zh) 2018-01-16
CN107592024B (zh) 2019-09-06
EP3285353A1 (en) 2018-02-21
CN108307667A (zh) 2018-07-20
SG11201707782PA (en) 2017-10-30
ES2743599T3 (es) 2020-02-20
EP3285358A4 (en) 2018-05-23
EP3264563A1 (en) 2018-01-03
US20190058347A1 (en) 2019-02-21
CN107534305A (zh) 2018-01-02
EP3273572A1 (en) 2018-01-24
CN107852014A (zh) 2018-03-27
CN107912076B (zh) 2021-04-02
US10340727B2 (en) 2019-07-02
CN107994662B (zh) 2021-08-10
CN107592023A (zh) 2018-01-16
CN107592020A (zh) 2018-01-16
US10340718B2 (en) 2019-07-02
CN107534305B (zh) 2020-12-01
CN107592023B (zh) 2019-09-06
CN107846053B (zh) 2019-12-27
CN107750425A (zh) 2018-03-02
US10122201B2 (en) 2018-11-06
SG11201700428UA (en) 2017-09-28
US20180367047A1 (en) 2018-12-20
CN107592022B (zh) 2019-09-06
CN107681753B (zh) 2021-02-05
TW201729503A (zh) 2017-08-16
MY181704A (en) 2021-01-04
TW201729488A (zh) 2017-08-16
US20180069414A1 (en) 2018-03-08
US10333331B2 (en) 2019-06-25
DK3276811T3 (da) 2019-06-17
CN109075598B (zh) 2022-01-11
US20200083739A1 (en) 2020-03-12
KR20170134716A (ko) 2017-12-06
KR102191988B1 (ko) 2020-12-17
CN106026327B (zh) 2018-01-19
CN205883072U (zh) 2017-01-11
EP3229336B1 (en) 2020-09-30
DK3276782T3 (da) 2019-03-04
EP3249780A1 (en) 2017-11-29
JP6413033B2 (ja) 2018-10-24
US20180034311A1 (en) 2018-02-01
CN107852014B (zh) 2021-05-14
TW201733242A (zh) 2017-09-16
TW201729498A (zh) 2017-08-16
CN108141057B (zh) 2021-08-24
TWI656711B (zh) 2019-04-11
CN107592025A (zh) 2018-01-16
JP6343108B1 (ja) 2018-06-13
CN205882811U (zh) 2017-01-11
CN107912074B (zh) 2021-03-23
CN108233509A (zh) 2018-06-29
CN107980192A (zh) 2018-05-01
EP3264561A1 (en) 2018-01-03
CN107925264A (zh) 2018-04-17
CN107592022A (zh) 2018-01-16
HK1246012A1 (zh) 2018-08-31
US20180123376A1 (en) 2018-05-03
US20180331612A1 (en) 2018-11-15
CN205960979U (zh) 2017-02-15
KR101906977B1 (ko) 2018-10-11
CN107769304A (zh) 2018-03-06
CN107769341A (zh) 2018-03-06
CN109121445B (zh) 2020-10-16
US10224737B2 (en) 2019-03-05
KR20170134655A (ko) 2017-12-06
CN109463020B (zh) 2022-08-05
CN106160094B (zh) 2017-08-29
ES2743349T3 (es) 2020-02-18
CN108011431B (zh) 2020-02-21
US20180254711A1 (en) 2018-09-06
CN109874362A (zh) 2019-06-11
CN109155528B (zh) 2022-06-07
JP2018153093A (ja) 2018-09-27
CN107660321B (zh) 2020-08-25
TWI657642B (zh) 2019-04-21
CN106537724B (zh) 2020-01-10
US20180062423A1 (en) 2018-03-01
TWI624131B (zh) 2018-05-11
US10749371B2 (en) 2020-08-18
CN205883073U (zh) 2017-01-11
CN107733053B (zh) 2019-09-06
CN108093661A (zh) 2018-05-29
CN205883074U (zh) 2017-01-11
US20180048175A1 (en) 2018-02-15
CN108521838A (zh) 2018-09-11
CN106253428B (zh) 2017-11-24
TWI620396B (zh) 2018-04-01
CN107980192B (zh) 2022-02-18
WO2017133200A1 (zh) 2017-08-10
CN107466433B (zh) 2020-05-15
ES2725683T3 (es) 2019-09-26
EP3322066A4 (en) 2018-10-10
WO2017133201A1 (zh) 2017-08-10
CN205882806U (zh) 2017-01-11
CN107887962A (zh) 2018-04-06
CN109155529A (zh) 2019-01-04
TW201729489A (zh) 2017-08-16
EP3249780B1 (en) 2019-07-24
CN205882810U (zh) 2017-01-11
CN205882814U (zh) 2017-01-11
ES2829256T3 (es) 2021-05-31
ES2743030T3 (es) 2020-02-18
EP3285357A4 (en) 2018-05-23
IL255330A0 (en) 2017-12-31
JP2018516054A (ja) 2018-06-14
TW201729502A (zh) 2017-08-16
HK1245516A1 (zh) 2018-08-24
US20180034293A1 (en) 2018-02-01
CN109121451A (zh) 2019-01-01
CN106059025B (zh) 2018-03-23
US10340717B2 (en) 2019-07-02
AU2016291545B2 (en) 2018-12-13
US20180034379A1 (en) 2018-02-01
CN107852018B (zh) 2021-06-25
AU2016392087B2 (en) 2018-12-20
US10516290B2 (en) 2019-12-24
ES2747789T3 (es) 2020-03-11
KR102192440B1 (ko) 2020-12-18
KR20180030890A (ko) 2018-03-26
CN106253422B (zh) 2017-11-21
CN108306399B (zh) 2020-04-10
CN109121448A (zh) 2019-01-01
CN205882813U (zh) 2017-01-11
CN107994662A (zh) 2018-05-04
US20180048164A1 (en) 2018-02-15
KR20170139075A (ko) 2017-12-18
EP3249780A4 (en) 2018-03-07
CN205882812U (zh) 2017-01-11
HK1251084A1 (zh) 2019-01-18
JP2018517386A (ja) 2018-06-28
KR102157339B1 (ko) 2020-09-18
EP3229336A4 (en) 2017-12-13
CN108307667B (zh) 2021-04-02
CN111211609A (zh) 2020-05-29
TWI655822B (zh) 2019-04-01
TW201729487A (zh) 2017-08-16
US10326297B2 (en) 2019-06-18
CN114583783A (zh) 2022-06-03
EP3322065A4 (en) 2018-10-10
CN106253423B (zh) 2018-02-13
CN107710552B (zh) 2021-05-18
KR20180032599A (ko) 2018-03-30
CN111211609B (zh) 2021-06-25
CN109874362B (zh) 2023-01-17
CN205882816U (zh) 2017-01-11
JP2018527879A (ja) 2018-09-20
CN107534304A (zh) 2018-01-02
CN107710550A (zh) 2018-02-16
US10790696B2 (en) 2020-09-29
CN116896136A (zh) 2023-10-17
ES2752626T3 (es) 2020-04-06
KR102157320B1 (ko) 2020-09-17
CN108521838B (zh) 2023-08-15
JP6487575B2 (ja) 2019-03-20
CN109463020A (zh) 2019-03-12
EP3273572B1 (en) 2019-07-03
CN106230082A (zh) 2016-12-14
CN109155529B (zh) 2022-07-19
CN107769304B (zh) 2020-02-11
CN107615614A (zh) 2018-01-19
CN109075598A (zh) 2018-12-21
CN106100083B (zh) 2017-11-24
PT3276782T (pt) 2019-01-29
KR20170134589A (ko) 2017-12-06
CN107592020B (zh) 2019-09-06
JP2018519775A (ja) 2018-07-19
CN107534311A (zh) 2018-01-02
CN107836067A (zh) 2018-03-23
CN107980193A (zh) 2018-05-01
CN107534304B (zh) 2020-12-29
TWI653802B (zh) 2019-03-11
CN106160094A (zh) 2016-11-23
CN107895989A (zh) 2018-04-10
US20170338670A1 (en) 2017-11-23
CN109121448B (zh) 2022-08-05
US10992160B2 (en) 2021-04-27
KR20170104983A (ko) 2017-09-18
WO2017133195A1 (zh) 2017-08-10
AU2016291545A1 (en) 2017-08-24
CN108306399A (zh) 2018-07-20
CN107836067B (zh) 2021-07-06
IL255330B (en) 2019-09-26
KR20170130593A (ko) 2017-11-28
ES2709374T3 (es) 2019-04-16
EP3285358B1 (en) 2019-09-04
JP2018524959A (ja) 2018-08-30
JP6437141B2 (ja) 2018-12-12
EP3264563A4 (en) 2018-04-25
KR102204604B1 (ko) 2021-01-19
CN107534311B (zh) 2020-09-22
US10680460B2 (en) 2020-06-09
US10141766B2 (en) 2018-11-27
US10312712B2 (en) 2019-06-04
US20180331562A1 (en) 2018-11-15
CN107710552A (zh) 2018-02-16
US20180034309A1 (en) 2018-02-01
WO2017133198A1 (zh) 2017-08-10
CN107852017B (zh) 2022-03-22
TWI661644B (zh) 2019-06-01
CN107852018A (zh) 2018-03-27
TWI661646B (zh) 2019-06-01
CN107887962B (zh) 2019-07-12
US20180048172A1 (en) 2018-02-15
US20180076636A1 (en) 2018-03-15
JP2018517388A (ja) 2018-06-28
KR102191538B1 (ko) 2020-12-16
EP3322065A1 (en) 2018-05-16
CN107615614B (zh) 2020-01-17
TW201729501A (zh) 2017-08-16
CN107912076A (zh) 2018-04-13
CN107750425B (zh) 2020-08-21
CN108233509B (zh) 2019-10-15
CN106537724A (zh) 2017-03-22
ES2781877T3 (es) 2020-09-08
KR20170133482A (ko) 2017-12-05
TWI663811B (zh) 2019-06-21
JP2018512030A (ja) 2018-04-26
US20180233939A1 (en) 2018-08-16
EP3285353A4 (en) 2018-05-23
EP3264561B1 (en) 2019-10-02
EP3322066A1 (en) 2018-05-16
CN107592021A (zh) 2018-01-16
US20180062413A1 (en) 2018-03-01
US20180034301A1 (en) 2018-02-01
EP3285353B1 (en) 2020-02-12
US10090700B2 (en) 2018-10-02
EP3322066B1 (en) 2020-04-08
CN108141057A (zh) 2018-06-08
CN114583783B (zh) 2026-02-13
US20170229877A1 (en) 2017-08-10
TW201733240A (zh) 2017-09-16
CN107852017A (zh) 2018-03-27
CN107660321A (zh) 2018-02-02
JP6526287B2 (ja) 2019-06-05
AU2016392087A1 (en) 2017-10-12
US10181745B2 (en) 2019-01-15
TW201804706A (zh) 2018-02-01
KR102183636B1 (ko) 2020-11-27
CN107912074A (zh) 2018-04-13
US20190157895A1 (en) 2019-05-23
JP2019146481A (ja) 2019-08-29
CN108093663B (zh) 2021-05-18
CN107466433A (zh) 2017-12-12
US10320217B2 (en) 2019-06-11
US20180331561A1 (en) 2018-11-15
EP3285357A1 (en) 2018-02-21
EP3273572A4 (en) 2018-05-02
WO2017133194A1 (zh) 2017-08-10
CN108093661B (zh) 2022-05-20
ZA201707054B (en) 2019-05-29
CN107733053A (zh) 2018-02-23
TW201729492A (zh) 2017-08-16
US10277053B2 (en) 2019-04-30
WO2017133001A1 (zh) 2017-08-10
US10727687B2 (en) 2020-07-28
US10348121B2 (en) 2019-07-09
JP6440869B2 (ja) 2018-12-19
US20180019611A1 (en) 2018-01-18
CN205882805U (zh) 2017-01-11
KR102183492B1 (ko) 2020-11-27
US10622829B2 (en) 2020-04-14
CN106026327A (zh) 2016-10-12
CN107925264B (zh) 2022-05-17
CN106253428A (zh) 2016-12-21
US10411496B2 (en) 2019-09-10
KR20170133481A (ko) 2017-12-05
CN107592025B (zh) 2020-01-10
HK1250285A1 (zh) 2018-12-07
JP2018518132A (ja) 2018-07-05
MY187711A (en) 2021-10-13
TWI656707B (zh) 2019-04-11
CN107949969A (zh) 2018-04-20
EP3322065B1 (en) 2020-04-08
US10381861B2 (en) 2019-08-13
CN109155528A (zh) 2019-01-04
WO2017133196A1 (zh) 2017-08-10
AU2016392087B8 (en) 2019-01-24
EP3285358A1 (en) 2018-02-21
JP6472930B2 (ja) 2019-02-20
JP6518837B2 (ja) 2019-05-22
WO2017133193A1 (zh) 2017-08-10
EP3264561A4 (en) 2018-05-02

Similar Documents

Publication Publication Date Title
US10326297B2 (en) Charging system, charging method, and power adapter
US10291043B2 (en) Charging system, charging method, and power adapter
US10910852B2 (en) Charging system, charging method, and power adapter
EP3276777B1 (en) Charging system, charging method, and power adapter
EP3276778A1 (en) Charging system, lightning protection method for terminal during charging, and power adapter
EP3276783A1 (en) Charging system and charging method, and power adapter

Legal Events

Date Code Title Description
AS Assignment

Owner name: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHANG, JIALIANG;CHEN, SHEBIAO;ZHANG, JUN;AND OTHERS;REEL/FRAME:042991/0421

Effective date: 20170622

Owner name: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ZHANG, JIALIANG;CHEN, SHEBIAO;ZHANG, JUN;AND OTHERS;REEL/FRAME:042991/0421

Effective date: 20170622

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE AFTER FINAL ACTION FORWARDED TO EXAMINER

STCF Information on status: patent grant

Free format text: PATENTED CASE

FEPP Fee payment procedure

Free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

LAPS Lapse for failure to pay maintenance fees

Free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20250105